@import url('open-iconic/font/css/open-iconic-bootstrap.min.css');
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;600;700&display=swap');

:root {
    --brand-sidebar: #1b1b1b;
    --brand-sidebar-accent: #101010;
    --accent-primary: #c4302b;
    --accent-primary-dark: #a2231f;
    --surface-card: rgba(17, 24, 39, 0.85);
    --surface-border: rgba(148, 163, 199, 0.38);
    --surface-muted: rgba(30, 41, 59, 0.6);
    --surface-overlay-strong: rgba(15, 23, 42, 0.94);
    --surface-overlay-soft: rgba(15, 23, 42, 0.55);
    --text-primary: #f8faff;
    --text-secondary: rgba(222, 231, 255, 0.78);
}

html, body {
    font-family: 'Roboto', 'Segoe UI', Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.55;
    height: 100%;
    margin: 0;
    overflow-x: hidden;
}

html {
    background: radial-gradient(circle at 28% 18%, #121f36 0%, #0a1426 42%, #050914 100%);
}

body {
    background-color: transparent;
    min-height: 100%;
    position: relative;
    isolation: isolate;
    z-index: 0;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -3;
    pointer-events: none;
    background:
        radial-gradient(ellipse at top, rgba(62, 27, 110, 0.22) 0%, rgba(9, 16, 32, 0) 48%),
        radial-gradient(circle at 82% 72%, rgba(196, 48, 162, 0.1) 0%, rgba(8, 11, 24, 0) 52%),
        linear-gradient(180deg, #070f1d 0%, #040610 100%);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(circle at 20% 80%, rgba(10, 28, 63, 0.18) 0%, rgba(6, 9, 16, 0) 55%);
    mix-blend-mode: screen;
    opacity: 0.34;
}

#dynamic-wave {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
    display: block;
    opacity: 0.7;
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: var(--accent-primary);
}

.btn-primary {
    color: #fff;
    background-color: var(--accent-primary);
    border-color: var(--accent-primary-dark);
}

.page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
    position: relative;
    z-index: 0;
    background: linear-gradient(135deg, rgba(8, 14, 28, 0.16) 0%, rgba(8, 14, 28, 0.06) 100%);
    backdrop-filter: blur(18px) saturate(150%);
}

.page.hex-editor-layout {
    height: 100vh;
    overflow: hidden;
}

.page.hex-editor-layout .sidebar {
    overflow-y: auto;
}

.sidebar {
    background: linear-gradient(180deg, var(--brand-sidebar) 0%, var(--brand-sidebar-accent) 100%);
    color: #fff;
    box-shadow: 4px 0 12px rgba(15, 23, 42, 0.32);
    position: relative;
    z-index: 1;
}

.sidebar .navmenu-header {
    background: rgba(11, 15, 25, 0.6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.25rem 1.5rem;
}

.sidebar .navmenu-header .navbar-brand {
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.sidebar .navmenu-header .navbar-brand:hover,
.sidebar .navmenu-header .navbar-brand:focus {
    color: #fff;
    text-decoration: none;
    opacity: 0.85;
}

.sidebar .navmenu-header .navbar-toggler {
    display: none;
    filter: brightness(0) invert(1);
}

.sidebar .navmenu-body {
    padding: 1.5rem 1.5rem 1.75rem;
}

.sidebar .navmenu-body nav {
    gap: 0.35rem;
}

.sidebar .nav-section-header {
    margin-top: 0.85rem;
    margin-bottom: 0.15rem;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.48);
}

.sidebar .nav-session-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 0.35rem;
}

.sidebar .nav-session-link {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 0.6rem;
    padding: 0.55rem 1.05rem;
    color: rgba(255, 255, 255, 0.78);
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.sidebar .nav-session-link.active,
.sidebar .nav-session-link:hover,
.sidebar .nav-session-link:focus {
    background: rgba(196, 48, 43, 0.24);
    color: #fff;
}

.sidebar .nav-session-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar .nav-session-close {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.sidebar .nav-session-close:hover,
.sidebar .nav-session-close:focus {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    outline: none;
}

.sidebar .navmenu-body.collapse,
.sidebar .navmenu-body.collapsing {
    display: block;
    height: auto !important;
    visibility: visible;
}

.sidebar .navmenu-body.collapse.show {
    display: block;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.72);
    border-radius: 0.5rem;
    padding: 0.65rem 1.25rem;
    font-weight: 500;
    transition: background 0.2s ease, color 0.2s ease;
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover,
.sidebar .nav-link:focus {
    color: #fff;
    background: rgba(196, 48, 43, 0.18);
}

main {
    background: linear-gradient(180deg, rgba(8, 14, 28, 0.28) 0%, rgba(8, 14, 28, 0.12) 100%);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    backdrop-filter: blur(22px) saturate(160%);
    border-left: 1px solid rgba(148, 163, 199, 0.08);
    box-shadow: 0 24px 70px rgba(3, 7, 18, 0.28);
}

main.hex-editor-main-active {
    height: 100vh;
    overflow: hidden;
}

.top-row {
    background: rgba(12, 18, 32, 0.32);
    border-bottom: 1px solid rgba(148, 163, 199, 0.16);
    padding: 1rem 2.5rem;
    display: flex;
    justify-content: flex-end;
    backdrop-filter: blur(18px);
    box-shadow: 0 22px 60px rgba(3, 7, 18, 0.25);
}

.top-row a {
    color: var(--accent-primary);
    font-weight: 500;
    text-decoration: none;
}

.top-row a:hover {
    text-decoration: underline;
}

.content {
    padding: 2rem 2.5rem 2.5rem;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: visible;
    min-height: 0;
}

.content.hex-editor-content {
    padding-top: 1.25rem;
    padding-bottom: 0.5rem;
    height: 100%;
    box-sizing: border-box;
}

.content > *:first-child {
    margin-top: 0;
}

.content > * {
    flex: 0 0 auto;
}

.content > .hex-editor-page {
    flex: 1 1 auto;
    min-height: 0;
    margin-top: 0.5rem;
}

@media (max-width: 992px) {
    .page {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: sticky;
        top: 0;
        box-shadow: none;
    }

    main {
        border-left: none;
        box-shadow: none;
    }

    .sidebar .navmenu-header .navbar-toggler {
        display: inline-flex;
    }

    .sidebar .navmenu-body.collapse {
        display: none;
    }

    .sidebar .navmenu-body.collapse.show {
        display: block;
    }

    .top-row,
    .content {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

.create-session-page {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.session-card {
    background: rgba(8, 14, 28, 0.28);
    border-radius: 1rem;
    box-shadow: 0 30px 80px rgba(3, 7, 18, 0.28);
    border: 1px solid rgba(148, 163, 199, 0.14);
    backdrop-filter: blur(28px) saturate(150%);
    overflow: hidden;
}

.session-card-header {
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-primary-dark) 100%);
    color: #fff;
    padding: 1.35rem 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.session-card-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.session-card-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.session-card-title {
    margin: 0;
    font-size: 1.45rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.session-card-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    opacity: 0.82;
}

.session-card-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.session-close-button {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 0.45rem 1.35rem;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, transform 0.1s ease;
}

.session-close-button:hover,
.session-close-button:focus {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
    transform: translateY(-1px);
    outline: none;
}

.session-alert {
    padding: 1rem 1.25rem;
    border-radius: 0.85rem;
    border: 1px solid rgba(196, 48, 43, 0.28);
    background: rgba(196, 48, 43, 0.08);
    color: var(--accent-primary-dark);
    font-weight: 600;
    line-height: 1.35;
}

.session-section {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.session-card-footer {
    padding: 1.25rem 1.75rem;
    border-top: 1px solid rgba(148, 163, 199, 0.14);
    background: rgba(12, 18, 32, 0.24);
    backdrop-filter: blur(24px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.session-footer-actions {
    display: flex;
    gap: 0.75rem;
    margin-left: auto;
}

.session-create-button {
    background: var(--accent-primary);
    color: #fff;
    border: none;
    border-radius: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: 0.65rem 1.75rem;
    cursor: pointer;
    transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.session-create-button:hover:not(:disabled) {
    background: var(--accent-primary-dark);
    box-shadow: 0 10px 20px rgba(196, 48, 43, 0.25);
    transform: translateY(-1px);
}

.session-create-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.session-delete-button {
    background: #f24e53;
    color: #fff;
    border: none;
    border-radius: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: 0.65rem 1.5rem;
    cursor: pointer;
    transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.session-delete-button:hover:not(:disabled) {
    background: #d53c41;
    box-shadow: 0 10px 20px rgba(213, 60, 65, 0.25);
    transform: translateY(-1px);
}

.session-delete-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.session-status-overlay-container {
    position: fixed;
    top: calc(1.5rem + env(safe-area-inset-top));
    left: 50%;
    transform: translateX(-50%);
    display: none;
    justify-content: center;
    width: min(92vw, 640px);
    padding: 0 1.5rem;
    pointer-events: none;
    z-index: 4000;
    box-sizing: border-box;
}

.session-status-overlay-container.is-active {
    display: flex;
}

.session-status-overlay {
    background: var(--surface-overlay-strong);
    color: var(--text-primary);
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    border: 1px solid rgba(148, 163, 199, 0.4);
    box-shadow: 0 20px 45px rgba(7, 17, 35, 0.42);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.4);
    pointer-events: none;
    animation: session-status-overlay-enter 180ms ease-out;
    width: 100%;
}

.session-status-overlay.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.24), rgba(15, 23, 42, 0.94));
    border-color: rgba(16, 185, 129, 0.38);
    color: #d1fae5;
}

.session-status-overlay.error {
    background: linear-gradient(135deg, rgba(196, 48, 43, 0.32), rgba(15, 23, 42, 0.94));
    border-color: rgba(196, 48, 43, 0.45);
    color: #fecaca;
}

@keyframes session-status-overlay-enter {
    from {
        opacity: 0;
        transform: translateY(-12px) scale(0.96);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 640px) {
    .session-status-overlay {
        max-width: min(94vw, 480px);
        text-align: center;
    }
}

.session-status-overlay-announcer {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.session-editor-page {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.session-editor-status {
    padding: 1rem 1.25rem;
    border-radius: 0.85rem;
    background: rgba(103, 112, 131, 0.08);
    color: var(--text-secondary);
    font-weight: 500;
}

.session-editor-status.error {
    border: 1px solid rgba(196, 48, 43, 0.28);
    background: rgba(196, 48, 43, 0.08);
    color: var(--accent-primary-dark);
}

.session-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.custom-vehicle-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.custom-vehicle-toggle input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    margin: 0;
}

.session-section-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent-primary);
    letter-spacing: 0.14em;
}

.session-section-meta {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.create-session-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
}

@media (max-width: 992px) {
    .create-session-row {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

.create-session-row .select-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-label {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-primary);
}

.required-indicator {
    color: var(--accent-primary);
    margin-left: 0.15rem;
}

.form-control,
.form-select,
textarea.form-control {
    border: 1px solid rgba(148, 163, 199, 0.4);
    border-radius: 0.6rem;
    padding: 0.55rem 0.75rem;
    background: rgba(15, 23, 42, 0.85);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: 0 10px 24px rgba(2, 6, 23, 0.4);
}

.form-control:focus,
.form-select:focus,
textarea.form-control:focus {
    border-color: rgba(196, 48, 43, 0.7);
    box-shadow: 0 0 0 0.2rem rgba(196, 48, 43, 0.2);
    background: rgba(17, 24, 39, 0.95);
    color: var(--text-primary);
}

.form-control::placeholder,
textarea.form-control::placeholder {
    color: rgba(198, 207, 233, 0.5);
}

.form-control:disabled,
.form-select:disabled,
textarea.form-control:disabled {
    background: rgba(15, 23, 42, 0.55);
    color: rgba(198, 207, 233, 0.5);
    opacity: 0.8;
}

.engine-details {
    padding: 1.25rem 1.5rem;
    border-radius: 0.9rem;
    border: 1px solid rgba(148, 163, 199, 0.45);
    background-color: rgba(17, 24, 39, 0.9);
    box-shadow: 0 26px 58px rgba(2, 6, 23, 0.55);
    display: grid;
    gap: 1.25rem;
    border-left: 6px solid var(--accent-primary);
}

.engine-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.engine-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: transparent;
    border: none;
    padding: 0;
    color: inherit;
    font: inherit;
    cursor: pointer;
    transition: color 0.2s ease;
}

.engine-toggle:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.engine-toggle:hover .engine-toggle-label {
    color: var(--accent-primary);
}

.engine-toggle-label {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.registration-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: transparent;
    border: none;
    padding: 0;
    color: inherit;
    font: inherit;
    cursor: pointer;
    transition: color 0.2s ease;
}

.registration-toggle:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.registration-toggle:hover .registration-toggle-label {
    color: var(--accent-primary);
}

.registration-toggle-label {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.engine-info-section.expanded .session-read-toggle-icon {
    transform: rotate(45deg);
}

.registration-section.expanded .session-read-toggle-icon {
    transform: rotate(45deg);
}

.engine-header {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: baseline;
    justify-content: space-between;
}

.engine-name {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.engine-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    align-items: start;
}

.engine-summary-block {
    display: grid;
    gap: 0.65rem;
}

.engine-section {
    margin: 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    font-weight: 600;
}

.engine-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.35rem 1rem;
    margin: 0;
}

.engine-spec {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 0.5rem;
}

.engine-spec dt {
    font-weight: 600;
    color: var(--text-secondary);
}

.engine-spec dd {
    margin: 0;
    font-weight: 500;
}

.engine-tools {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.4rem;
}

.engine-tools li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.engine-tool-brand {
    font-weight: 600;
}

.engine-tool-separator {
    color: rgba(103, 112, 131, 0.6);
}

.engine-tools a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.engine-upgrade-block {
    display: grid;
    gap: 0.65rem;
}

.engine-upgrades {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.engine-upgrade-card {
    background: rgba(196, 48, 43, 0.14);
    border: 1px solid rgba(196, 48, 43, 0.32);
    border-radius: 0.75rem;
    padding: 0.9rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.engine-upgrade-metric {
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--accent-primary);
}

.engine-upgrade-columns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.engine-upgrade-column {
    flex: 1 1 120px;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.engine-upgrade-column-label {
    font-size: 0.875rem;
    color: rgba(198, 207, 233, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.engine-upgrade-column-value {
    font-size: 1.05rem;
    font-weight: 600;
}

.engine-upgrade-difference {
    border-top: 1px solid rgba(196, 48, 43, 0.2);
    padding-top: 0.6rem;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.engine-upgrade-difference-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.session-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0.9rem 1.25rem;
    margin-top: 1.25rem;
}

.session-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.session-form-group-wide {
    grid-column: 1 / -1;
}

.session-form .form-control,
.session-form .form-select,
.session-form textarea {
    width: 100%;
}

.session-form textarea {
    min-height: 120px;
}

.session-registration-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.session-registration-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.session-registration-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.1rem;
    background: var(--accent-primary);
    color: #fff;
    border-radius: 0.65rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.session-registration-button:hover {
    background: var(--accent-primary-dark);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.18);
}

.session-registration-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.session-registration-filename {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.session-registration-error {
    font-size: 0.9rem;
    color: #d83b3b;
}
.session-registration-gallery {
    margin-top: 0.25rem;
}

.session-registration-thumbnail-list {
    display: flex;
    gap: 0.75rem;
    padding: 0;
    margin: 0;
    list-style: none;
    overflow-x: auto;
}

.session-registration-thumbnail {
    flex: 0 0 auto;
    text-align: center;
    min-width: 7rem;
}

.session-registration-thumbnail-name {
    margin-top: 0.35rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    word-break: break-word;
}

.session-registration-thumbnail-button {
    display: block;
    width: 7rem;
    height: 5rem;
    border: 1px solid var(--surface-border);
    border-radius: 0.5rem;
    background: #f6f8fb;
    padding: 0.35rem;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.session-registration-thumbnail-button img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0.35rem;
}

.session-registration-thumbnail-button:focus-visible,
.session-registration-thumbnail-button:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(45, 108, 223, 0.2);
}

.session-registration-thumbnail.is-active .session-registration-thumbnail-button {
    border-color: var(--accent-primary);
    background: rgba(45, 108, 223, 0.08);
}

.session-registration-thumbnail-status {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.session-registration-preview {
    display: inline-flex;
}

.session-registration-rotation-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    transform-origin: center center;
    transition: transform 0.2s ease;
}

.session-registration-preview-container {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 1.25rem;
}

.session-registration-preview-block {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
    max-width: 360px;
    width: 100%;
}

.session-registration-preview-block .session-registration-preview {
    justify-content: center;
}

.session-registration-preview-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(148, 163, 199, 0.14);
    border-radius: 0.75rem;
    overflow: hidden;
    background: rgba(12, 18, 32, 0.26);
    max-width: 360px;
    max-height: 260px;
    cursor: zoom-in;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.2s ease;
    box-shadow: 0 22px 48px rgba(3, 7, 18, 0.26);
    padding: 0;
}

.session-registration-preview-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px dashed rgba(148, 163, 199, 0.18);
    border-radius: 0.75rem;
    background: rgba(12, 18, 32, 0.2);
}

.session-registration-rotate {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.session-registration-rotate-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.65rem;
    border: 1px solid rgba(148, 163, 199, 0.18);
    background: rgba(12, 18, 32, 0.24);
    color: var(--text-primary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.session-registration-rotate-button:hover:not(:disabled),
.session-registration-rotate-button:focus-visible:not(:disabled) {
    background: rgba(196, 48, 43, 0.22);
    border-color: rgba(196, 48, 43, 0.4);
    box-shadow: 0 16px 36px rgba(196, 48, 43, 0.25);
    outline: none;
    transform: translateY(-1px);
}

.session-registration-rotate-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.session-registration-preview-trigger img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.session-registration-preview-trigger:hover,
.session-registration-preview-trigger:focus-visible {
    transform: scale(1.05);
    z-index: 25;
    box-shadow: 0 22px 48px rgba(15, 23, 42, 0.25);
    border-color: var(--accent-primary);
    outline: none;
}

.session-registration-ocr-trigger {
    border: none;
    border-radius: 0.65rem;
    background: var(--accent-primary);
    color: #fff;
    font-weight: 600;
    padding: 0.55rem 1.1rem;
    cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.session-registration-ocr-trigger:hover:not(:disabled) {
    background: var(--accent-primary-dark);
    box-shadow: 0 10px 24px rgba(196, 48, 43, 0.28);
    transform: translateY(-1px);
}

.session-registration-ocr-trigger:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.session-registration-ocr-results {
    flex: 1 1 260px;
    min-width: 240px;
    background: rgba(12, 18, 32, 0.24);
    border: 1px solid rgba(148, 163, 199, 0.14);
    border-radius: 0.85rem;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    backdrop-filter: blur(24px);
}

.session-registration-ocr-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.session-registration-ocr-status {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.session-registration-ocr-error {
    font-size: 0.9rem;
    color: #d83b3b;
    font-weight: 600;
}

.session-registration-ocr-list {
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.65rem 1.5rem;
}

.session-registration-ocr-item dt {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin: 0 0 0.2rem;
}

.session-registration-ocr-item dd {
    margin: 0;
}

.session-registration-ocr-input {
    width: 100%;
    border: 1px solid rgba(148, 163, 199, 0.16);
    border-radius: 0.65rem;
    padding: 0.45rem 0.7rem;
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(12, 18, 32, 0.26);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    backdrop-filter: blur(18px);
}

.session-registration-ocr-input:focus {
    outline: none;
    border-color: rgba(196, 48, 43, 0.55);
    box-shadow: 0 0 0 0.2rem rgba(196, 48, 43, 0.18);
    background: rgba(12, 18, 32, 0.32);
}

.session-registration-ocr-input::placeholder {
    color: rgba(198, 207, 233, 0.5);
    font-weight: 400;
}

.session-registration-ocr-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.25rem;
}

.session-registration-ocr-apply {
    border: none;
    border-radius: 0.6rem;
    background: var(--accent-primary);
    color: #fff;
    font-weight: 600;
    padding: 0.5rem 1.1rem;
    cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.session-registration-ocr-apply:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.session-registration-ocr-apply:not(:disabled):hover {
    background: var(--accent-primary-dark);
    box-shadow: 0 10px 24px rgba(196, 48, 43, 0.28);
    transform: translateY(-1px);
}

.session-registration-ocr-reset {
    border-radius: 0.6rem;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: transparent;
    color: rgba(30, 64, 175, 0.85);
    font-weight: 600;
    padding: 0.5rem 1.1rem;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, transform 0.1s ease;
}

.session-registration-ocr-reset:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.session-registration-ocr-reset:not(:disabled):hover {
    border-color: rgba(30, 64, 175, 0.65);
    color: rgba(30, 64, 175, 1);
    transform: translateY(-1px);
}

.session-registration-ocr-raw {
    font-size: 0.85rem;
}

.session-registration-ocr-raw summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--accent-primary);
    outline: none;
}

.session-registration-ocr-raw summary:focus-visible {
    text-decoration: underline;
}

.session-registration-ocr-raw pre {
    margin: 0.5rem 0 0;
    background: rgba(15, 23, 42, 0.06);
    border-radius: 0.65rem;
    padding: 0.75rem;
    max-height: 180px;
    overflow: auto;
    font-family: 'Roboto Mono', 'Consolas', monospace;
    font-size: 0.8rem;
}

.session-registration-preview-overlay {
    position: fixed;
    inset: 0;
    z-index: 2600;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.6);
    padding: clamp(1rem, 4vw, 3rem);
}

.session-registration-preview-overlay-content {
    position: relative;
    width: min(92vw, 1280px);
    height: min(92vh, 880px);
    background: rgba(15, 23, 42, 0.78);
    border-radius: 1rem;
    box-shadow: 0 30px 70px rgba(15, 23, 42, 0.4);
    padding: clamp(1rem, 3vw, 2.5rem);
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2vw, 2rem);
}

.session-registration-preview-overlay-body {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: clamp(1rem, 2.5vw, 2.5rem);
    width: 100%;
    height: 100%;
}

.session-registration-preview-overlay-image {
    position: relative;
    flex: 1 1 60%;
    border-radius: 0.85rem;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.32);
    display: flex;
    align-items: center;
    justify-content: center;
    --zoom-x: 50%;
    --zoom-y: 50%;
    touch-action: none;
}

.session-registration-preview-overlay-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 0.75rem;
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.32);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    transform-origin: var(--zoom-x) var(--zoom-y);
}

.session-registration-preview-overlay-image.zoom-active img {
    transform: scale(1.9);
    box-shadow: 0 28px 64px rgba(15, 23, 42, 0.42);
}

.session-registration-preview-overlay-panel {
    flex: 0 0 clamp(300px, 32vw, 380px);
    background: rgba(15, 23, 42, 0.38);
    border-radius: 0.85rem;
    padding: clamp(1rem, 2vw, 1.75rem);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    color: #f8fafc;
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.12);
}

.session-registration-preview-overlay-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
}

.session-registration-preview-overlay-status {
    padding: 0.75rem 0.95rem;
    border-radius: 0.65rem;
    background: rgba(59, 130, 246, 0.18);
    color: #bfdbfe;
    font-weight: 500;
}

.session-registration-preview-overlay-fields {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.45rem;
}

.session-registration-preview-overlay-fields label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.75);
}

.session-registration-preview-overlay-fields .session-registration-ocr-input {
    width: 100%;
    border-radius: 0.6rem;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(15, 23, 42, 0.32);
    color: #e2e8f0;
}

.session-registration-preview-overlay-fields .session-registration-ocr-input:focus-visible {
    border-color: rgba(59, 130, 246, 0.75);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.35);
    outline: none;
}

.session-registration-preview-overlay-error {
    background: rgba(248, 113, 113, 0.18);
    color: #fecaca;
    border-radius: 0.65rem;
    padding: 0.65rem 0.85rem;
    font-size: 0.9rem;
}

.session-registration-preview-overlay-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.session-registration-preview-overlay-raw {
    background: rgba(15, 23, 42, 0.32);
    border-radius: 0.75rem;
    padding: 0.75rem;
}

.session-registration-preview-overlay-raw summary {
    font-weight: 600;
    cursor: pointer;
    color: rgba(248, 250, 252, 0.85);
}

.session-registration-preview-overlay-raw pre {
    margin: 0.5rem 0 0;
    max-height: 220px;
    overflow: auto;
    font-family: 'Roboto Mono', 'Consolas', monospace;
    font-size: 0.8rem;
    color: rgba(226, 232, 240, 0.9);
}

@media (max-width: 960px) {
    .session-registration-preview-overlay-body {
        flex-direction: column;
    }

    .session-registration-preview-overlay-panel {
        flex: 0 0 auto;
        width: 100%;
        max-height: 45%;
        overflow: auto;
    }

    .session-registration-preview-overlay-image {
        flex: 1 1 auto;
        min-height: 300px;
    }
}

.session-registration-preview-overlay-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 999px;
    border: none;
    background: rgba(15, 23, 42, 0.4);
    color: #fff;
    font-size: 1.8rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.session-registration-preview-overlay-close:hover,
.session-registration-preview-overlay-close:focus-visible {
    background: rgba(59, 130, 246, 0.9);
    transform: scale(1.05);
    outline: none;
}

.session-registration-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.session-registration-download {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.session-registration-download:hover {
    color: var(--accent-primary-dark);
    text-decoration: underline;
}

.session-reads {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.session-empty {
    padding: 1rem 1.25rem;
    border-radius: 0.85rem;
    border: 1px dashed rgba(148, 163, 199, 0.45);
    color: var(--text-secondary);
    font-style: italic;
    background: rgba(15, 23, 42, 0.78);
    box-shadow: 0 18px 36px rgba(2, 6, 23, 0.45);
}

.session-read-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.session-read-item {
    border: 1px solid rgba(148, 163, 199, 0.45);
    border-radius: 0.9rem;
    background: rgba(17, 24, 39, 0.9);
    padding: 1.1rem 1.25rem;
    box-shadow: 0 22px 52px rgba(2, 6, 23, 0.55);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.session-read-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
    color: inherit;
    font: inherit;
    transition: color 0.2s ease;
}

.session-read-item-header:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.session-read-item-header:hover .session-read-item-title {
    color: var(--accent-primary);
}

.session-read-item-heading {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.session-read-toggle-icon {
    width: 0.65rem;
    height: 0.65rem;
    border-right: 2px solid var(--accent-primary);
    border-bottom: 2px solid var(--accent-primary);
    transform: rotate(-45deg);
    transition: transform 0.2s ease;
}

.session-read-item.expanded .session-read-toggle-icon {
    transform: rotate(45deg);
}

.session-read-item-body {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.session-read-item-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.session-read-item-folder {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.session-read-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.6rem 1.1rem;
}

.session-read-detail {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.session-read-detail dt {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    font-weight: 600;
}

.session-read-detail dd {
    margin: 0;
    font-weight: 500;
    color: var(--text-primary);
}

.session-read-detail dd .form-control {
    width: 100%;
    font-weight: 500;
}

.session-read-detail dd textarea.form-control {
    resize: vertical;
}

.session-read-detail-wide {
    grid-column: 1 / -1;
}

.session-read-form {
    border: 1px dashed rgba(148, 163, 199, 0.45);
    border-radius: 0.9rem;
    padding: 1.25rem;
    background: rgba(17, 24, 39, 0.9);
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    box-shadow: 0 20px 44px rgba(2, 6, 23, 0.5);
}

.session-read-form-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-primary);
}

.session-read-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.75rem 1.1rem;
}

.session-read-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.session-read-field-wide {
    grid-column: 1 / -1;
}

.session-read-upload {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.session-read-dropzone {
    position: relative;
    border: 2px dashed rgba(148, 163, 199, 0.45);
    border-radius: 0.85rem;
    padding: 1.4rem 1rem;
    background: rgba(17, 24, 39, 0.9);
    text-align: center;
    transition: border-color 0.2s ease, background-color 0.2s ease;
    color: var(--text-secondary);
    box-shadow: 0 16px 36px rgba(2, 6, 23, 0.45);
}

.session-read-dropzone:hover,
.session-read-dropzone:focus-within {
    border-color: var(--accent-primary);
    background: rgba(24, 36, 59, 0.95);
}

.session-read-file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.session-read-dropzone-content {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    pointer-events: none;
}

.session-read-dropzone-title {
    font-weight: 600;
    color: var(--text-primary);
}

.session-read-dropzone-subtitle {
    font-size: 0.9rem;
}

.session-read-dropzone-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.session-read-selected-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.session-read-selected-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.9rem;
    padding: 0.45rem 0.75rem;
    border-radius: 0.6rem;
    background: rgba(15, 23, 42, 0.04);
}

.session-read-selected-name {
    font-weight: 600;
    color: var(--text-primary);
}

.session-read-selected-size {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.session-read-actions {
    display: flex;
    justify-content: flex-end;
}

.session-read-add {
    background: var(--accent-primary);
    color: #fff;
    border: none;
    border-radius: 0.6rem;
    padding: 0.55rem 1.5rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.session-read-add:hover:not(:disabled) {
    background: var(--accent-primary-dark);
    transform: translateY(-1px);
}

.session-read-add:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.session-read-detail-files dd {
    width: 100%;
}

.session-file-explorer {
    border: 1px solid rgba(148, 163, 199, 0.14);
    border-radius: 0.65rem;
    overflow: hidden;
    background: rgba(10, 16, 32, 0.24);
    backdrop-filter: blur(24px);
}

.session-file-explorer-nested {
    margin-top: 0.5rem;
}

.session-file-header,
.session-file-row {
    display: grid;
    grid-template-columns: minmax(0, 2.3fr) minmax(0, 1fr) minmax(0, 0.8fr) minmax(0, 1.1fr) minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 0.75rem;
    align-items: center;
    padding: 0.6rem 0.95rem;
}

.session-file-header {
    background: rgba(12, 18, 32, 0.26);
    color: var(--text-secondary);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
}

.session-file-row {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.session-file-row + .session-file-row {
    border-top: 1px solid rgba(148, 163, 199, 0.14);
}

.session-file-row:hover {
    background: rgba(148, 163, 199, 0.1);
}

.session-file-row.missing {
    background: rgba(196, 48, 43, 0.12);
}

.session-file-cell {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    min-width: 0;
}

.session-file-name {
    flex-direction: column;
    align-items: flex-start;
}

.session-file-name-header {
    justify-content: flex-start;
}

.session-file-name-primary {
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-word;
}

.session-file-name-secondary {
    font-size: 0.8rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.session-file-missing-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent-primary);
}

.session-file-type,
.session-file-size,
.session-file-modified,
.session-file-comment {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.session-file-comment {
    white-space: normal;
}

.session-file-comment-input {
    width: 100%;
    padding: 0.35rem 0.5rem;
    font-size: 0.9rem;
}

.session-file-actions {
    justify-content: flex-end;
    gap: 0.45rem;
}

.session-file-download {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: transparent;
    border: 1px solid transparent;
    color: var(--accent-primary);
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 0.35rem;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.session-file-download:hover {
    background: rgba(196, 48, 43, 0.08);
    color: var(--accent-primary-dark);
}

@media (max-width: 900px) {
    .session-file-header {
        display: none;
    }

    .session-file-row {
        grid-template-columns: 1fr;
        align-items: flex-start;
        gap: 0.45rem;
    }

    .session-file-cell {
        width: 100%;
        justify-content: space-between;
    }

    .session-file-name {
        justify-content: flex-start;
        gap: 0.2rem;
    }

    .session-file-type,
    .session-file-size,
    .session-file-modified,
    .session-file-comment {
        font-size: 0.8rem;
    }

    .session-file-actions {
        justify-content: flex-start;
    }
}

.session-read-manage {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    border-top: 1px solid var(--surface-border);
    padding-top: 1rem;
}

.session-read-manage-actions {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.session-read-delete,
.session-read-revision-delete {
    background: transparent;
    border: 1px solid var(--surface-border);
    border-radius: 0.5rem;
    padding: 0.4rem 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.session-read-delete:hover,
.session-read-revision-delete:hover {
    background: rgba(196, 48, 43, 0.08);
    border-color: var(--accent-primary);
    color: var(--accent-primary-dark);
}

.session-read-upload-heading {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.session-read-upload-inline {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.session-read-upload-actions {
    display: flex;
    justify-content: flex-end;
}

.session-read-upload-trigger-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.session-read-upload-trigger {
    background: var(--accent-primary);
    color: #fff;
    border: none;
    border-radius: 0.6rem;
    padding: 0.45rem 1.25rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.session-read-upload-trigger:hover:not(:disabled) {
    background: var(--accent-primary-dark);
    transform: translateY(-1px);
}

.session-read-upload-trigger:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.session-read-upload-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.session-read-save {
    background: var(--accent-primary);
    color: #fff;
    border: none;
    border-radius: 0.6rem;
    padding: 0.5rem 1.25rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.session-read-save:hover:not(:disabled) {
    background: var(--accent-primary-dark);
    transform: translateY(-1px);
}

.session-read-save:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.session-read-revisions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-top: 1px dashed var(--surface-border);
    padding-top: 1rem;
}

.session-read-revision-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.session-read-revision-item {
    border: 1px solid rgba(148, 163, 199, 0.45);
    border-radius: 0.75rem;
    padding: 0.85rem 1rem;
    background: rgba(17, 24, 39, 0.88);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    box-shadow: 0 18px 40px rgba(2, 6, 23, 0.5);
}

.session-read-revision-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.session-read-revision-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: transparent;
    border: none;
    padding: 0;
    color: inherit;
    font: inherit;
    cursor: pointer;
    text-align: left;
    flex: 1 1 auto;
}

.session-read-revision-toggle:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.session-read-revision-toggle:hover .session-read-revision-title {
    color: var(--accent-primary);
}

.session-read-revision-toggle-icon {
    width: 0.55rem;
    height: 0.55rem;
    border-right: 2px solid var(--accent-primary);
    border-bottom: 2px solid var(--accent-primary);
    transform: rotate(-45deg);
    transition: transform 0.2s ease;
}

.session-read-revision-item.expanded .session-read-revision-toggle-icon {
    transform: rotate(45deg);
}

.session-read-revision-title {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

.session-read-revision-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
}

.session-read-revision-meta {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.2;
}

.session-read-revision-meta-line {
    white-space: nowrap;
}

.session-read-revision-info {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.session-read-revision-info-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.session-read-info-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border: none;
    background: transparent;
    padding: 0;
    font: inherit;
    color: var(--accent-primary);
    cursor: pointer;
}

.session-read-info-toggle:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.session-read-info-toggle-label {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.session-read-info-toggle-icon {
    width: 0.55rem;
    height: 0.55rem;
    border-right: 2px solid var(--accent-primary);
    border-bottom: 2px solid var(--accent-primary);
    transform: rotate(-45deg);
    transition: transform 0.2s ease;
}

.session-read-info-toggle[aria-expanded="true"] .session-read-info-toggle-icon {
    transform: rotate(45deg);
}

.session-read-info-summary {
    flex: 1 1 auto;
    min-width: 160px;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.session-read-info-panel {
    display: grid;
    gap: 0.75rem;
    padding-top: 0.35rem;
}

.session-read-info-fieldset {
    border: 1px solid rgba(148, 163, 199, 0.45);
    border-radius: 0.65rem;
    padding: 0.75rem 0.9rem 0.85rem;
    min-width: min(100%, 280px);
    display: grid;
    gap: 0.5rem;
    background: rgba(17, 24, 39, 0.9);
    box-shadow: 0 12px 28px rgba(2, 6, 23, 0.45);
}

.session-read-info-fieldset legend {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    font-weight: 600;
    padding: 0 0.35rem;
}

.session-read-info-option {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.session-read-info-option input[type="radio"],
.session-read-info-option input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
}

.session-read-revision-info-draft .session-read-info-toggle {
    color: var(--text-primary);
}

.session-read-revision-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: flex-end;
}

.session-read-revision-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    font-weight: 600;
}

.session-read-revision-input,
.session-read-revision-textarea {
    width: 100%;
}

.session-read-revision-textarea {
    resize: vertical;
}

.session-read-revision-body {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.session-read-revision-body-section {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.session-read-revision-datetime {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.session-read-revision-datetime-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 10rem;
}

.session-read-revision-files {
    margin-top: 0.25rem;
}

.session-read-file-action {
    background: transparent;
    border: none;
    color: var(--accent-primary);
    font-weight: 600;
    cursor: pointer;
    padding: 0.15rem 0.4rem;
    border-radius: 0.35rem;
    transition: background 0.2s ease, color 0.2s ease;
}

.session-read-file-action:hover {
    background: rgba(196, 48, 43, 0.1);
    color: var(--accent-primary-dark);
}

.session-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 1100;
}

.session-modal {
    background: var(--surface-card);
    border-radius: 1rem;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.16);
    width: min(540px, 100%);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--surface-border);
}

.session-modal-header {
    padding: 1.1rem 1.5rem;
    border-bottom: 1px solid var(--surface-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.session-modal-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.session-modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.5rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.session-modal-close:hover,
.session-modal-close:focus-visible {
    background: rgba(15, 23, 42, 0.08);
    color: var(--accent-primary);
    outline: none;
}

.session-modal-body {
    padding: 1.35rem 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 7.5rem);
}

.session-modal-footer {
    padding: 1.1rem 1.5rem;
    border-top: 1px solid var(--surface-border);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.75rem;
}

.session-modal-secondary {
    background: transparent;
    border: 1px solid var(--surface-border);
    border-radius: 0.6rem;
    padding: 0.45rem 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.session-modal-secondary:hover,
.session-modal-secondary:focus-visible {
    background: rgba(15, 23, 42, 0.06);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    outline: none;
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.sessions-page {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sessions-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.sessions-header-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sessions-title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 600;
}

.sessions-subtitle {
    margin: 0;
    color: var(--text-secondary);
}

.sessions-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.sessions-search {
    position: relative;
    display: flex;
    align-items: center;
}

.sessions-search .oi {
    position: absolute;
    left: 0.75rem;
    color: var(--text-secondary);
    pointer-events: none;
}

.sessions-search .form-control {
    padding-left: 2.25rem;
    min-width: 220px;
}

.sessions-create-button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--accent-primary);
    color: #fff;
    border-radius: 0.75rem;
    padding: 0.55rem 1.1rem;
    text-decoration: none;
    font-weight: 500;
    box-shadow: 0 10px 18px rgba(196, 48, 43, 0.25);
}

.sessions-create-button:hover,
.sessions-create-button:focus {
    color: #fff;
    background: var(--accent-primary-dark);
    text-decoration: none;
}

.sessions-card {
    background: var(--surface-overlay-strong);
    border-radius: 1rem;
    border: 1px solid rgba(148, 163, 199, 0.18);
    box-shadow: 0 28px 70px rgba(3, 7, 18, 0.45);
    backdrop-filter: blur(28px) saturate(150%);
    overflow: hidden;
}

.sessions-card-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(148, 163, 199, 0.18);
    background: rgba(12, 18, 32, 0.52);
    backdrop-filter: blur(24px);
}

.sessions-card-toolbar .sessions-search {
    flex: 1;
}

.sessions-card-toolbar .sessions-search .form-control {
    min-width: 0;
    width: 100%;
}

.sessions-filter-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid rgba(148, 163, 199, 0.26);
    background: rgba(12, 18, 32, 0.42);
    color: var(--text-secondary);
    border-radius: 0.65rem;
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.3;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    backdrop-filter: blur(18px);
}

.sessions-filter-toggle:hover,
.sessions-filter-toggle:focus {
    background: rgba(196, 48, 43, 0.22);
    border-color: rgba(196, 48, 43, 0.4);
    color: #fff;
}

.sessions-filter-panel {
    display: flex;
    gap: 1rem;
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid rgba(148, 163, 199, 0.16);
    background: rgba(12, 18, 32, 0.42);
    backdrop-filter: blur(24px);
}

.sessions-filter-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 160px;
}

.sessions-filter-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.sessions-filter-panel .form-select {
    font-size: 0.85rem;
    padding: 0.35rem 0.75rem;
}

.sessions-card-body {
    padding: 1.25rem 1.5rem 1.75rem;
}

.sessions-table {
    width: 100%;
    border-collapse: collapse;
    border-bottom: 1px solid rgba(148, 163, 199, 0.16);
}

.sessions-table thead {
    background: rgba(12, 18, 32, 0.54);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.75rem;
    color: rgba(198, 207, 233, 0.78);
    backdrop-filter: blur(18px);
}

.sessions-table th,
.sessions-table td {
    padding: 0.95rem 1.25rem;
    border-bottom: 1px solid rgba(148, 163, 199, 0.16);
    text-align: left;
    vertical-align: top;
}

.sessions-row {
    cursor: pointer;
    transition: background 0.2s ease;
}

.sessions-row:hover,
.sessions-row:focus-within {
    background: rgba(148, 163, 199, 0.14);
}

.sessions-row.is-expanded {
    background: rgba(148, 163, 199, 0.18);
}

.sessions-detail-row td {
    padding: 1.35rem 1.75rem 1.6rem;
    background: rgba(12, 18, 32, 0.38);
    backdrop-filter: blur(20px);
}

.sessions-detail {
    display: flex;
    gap: 2rem;
    justify-content: space-between;
    align-items: flex-start;
}

.sessions-detail-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.15rem 2.5rem;
}

.sessions-detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.sessions-detail-item-wide {
    grid-column: 1 / -1;
}

.sessions-detail-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.sessions-detail-value {
    font-size: 0.92rem;
    color: var(--text-primary);
    line-height: 1.45;
    word-break: break-word;
}

.sessions-detail-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.sessions-open-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 0.65rem;
    padding: 0.65rem 1.35rem;
    background: var(--accent-primary);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 10px 20px -12px rgba(29, 112, 242, 0.7);
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.sessions-open-button:hover,
.sessions-open-button:focus {
    background: #1357d0;
    box-shadow: 0 12px 26px -14px rgba(19, 87, 208, 0.9);
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sessions-table tbody tr:last-child th,
.sessions-table tbody tr:last-child td {
    border-bottom: none;
}

.sessions-table tbody tr:hover {
    background: rgba(103, 112, 131, 0.05);
}

.sessions-col-id {
    width: 80px;
}

.sessions-cell-id {
    font-weight: 600;
    color: var(--accent-primary);
}

.sessions-cell-vehicle {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sessions-vehicle-primary {
    font-weight: 500;
}

.sessions-empty {
    padding: 2.5rem;
    text-align: center;
    color: var(--text-secondary);
}

@media (max-width: 992px) {
    .sessions-header {
        flex-direction: column;
        align-items: stretch;
    }

    .sessions-header-actions {
        justify-content: flex-start;
    }

    .sessions-search .form-control {
        width: 100%;
    }

    .sessions-create-button {
        width: 100%;
        justify-content: center;
    }

    .sessions-card-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .sessions-filter-panel {
        flex-direction: column;
    }

    .sessions-table th,
    .sessions-table td {
        padding: 0.85rem 1rem;
    }

    .sessions-detail {
        flex-direction: column;
        gap: 1.5rem;
    }

    .sessions-detail-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .sessions-open-button {
        width: 100%;
        justify-content: center;
    }
}

.hex-editor-page {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 1.5rem;
    align-items: stretch;
    height: 100%;
    min-height: 0;
    box-sizing: border-box;
}

.hex-editor-page.sidebar-collapsed {
    grid-template-columns: 3.25rem minmax(0, 1fr);
    gap: 1.25rem;
}

.hex-editor-sidebar {
    background: #f8fafc;
    border: 1px solid #d9e2ec;
    border-radius: 12px;
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: padding 0.2s ease;
}

.hex-editor-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.hex-editor-sidebar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hex-editor-open-file {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.hex-editor-open-file:focus {
    outline: 2px solid #486581;
    outline-offset: 2px;
}

.hex-editor-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.hex-editor-sidebar-toggle {
    border: none;
    background: #243b53;
    color: #ffffff;
    border-radius: 8px;
    padding: 0.45rem 0.6rem;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.hex-editor-sidebar-toggle:hover {
    background: #102a43;
}

.hex-editor-sidebar-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1f3b4d;
    margin: 0;
}

.hex-editor-sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hex-editor-sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.hex-editor-sidebar-button {
    flex: 1;
    border: 1px solid transparent;
    background: #edf2f7;
    color: #243b53;
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.hex-editor-sidebar-button:hover {
    border-color: #9fb3c8;
}

.hex-editor-sidebar-button.active {
    background: #243b53;
    color: #ffffff;
}

.hex-editor-sidebar-title {
    font-size: 0.95rem;
    line-height: 1.1;
}

.hex-editor-sidebar-subtitle {
    font-size: 0.7rem;
    opacity: 0.65;
}

.hex-editor-sidebar-close {
    border: none;
    background: transparent;
    color: #486581;
    font-size: 1.1rem;
    padding: 0.25rem 0.45rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.hex-editor-sidebar-close:hover {
    background: rgba(188, 205, 220, 0.45);
    color: #b4345c;
}

.hex-editor-sidebar-empty {
    border: 1px dashed #cbd2d9;
    border-radius: 8px;
    padding: 0.9rem;
    font-size: 0.85rem;
    color: #486581;
    text-align: center;
}

.hex-editor-sidebar.collapsed {
    padding: 0.75rem 0.45rem;
    gap: 0.5rem;
}

.hex-editor-sidebar.collapsed .hex-editor-sidebar-header {
    justify-content: center;
}

.hex-editor-sidebar.collapsed .hex-editor-sidebar-header h2,
.hex-editor-sidebar.collapsed .hex-editor-sidebar-list {
    display: none;
}

.hex-editor-sidebar.collapsed .hex-editor-sidebar-actions {
    width: 100%;
    justify-content: center;
}

.hex-editor-sidebar.collapsed .hex-editor-open-file {
    display: none;
}

.hex-editor-sidebar.collapsed .hex-editor-sidebar-toggle {
    background: transparent;
    color: #243b53;
    border: 1px solid #9fb3c8;
    border-radius: 10px;
    padding: 0.5rem;
    width: 100%;
}

.hex-editor-sidebar.collapsed .hex-editor-sidebar-toggle:hover {
    background: #d9e2ec;
}

.hex-editor-main {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 0;
    min-height: 0;
}

.session-hex-editor {
    background: #ffffff;
    color: #102a43;
    display: flex;
    flex-direction: column;
    border: 1px solid #d9e2ec;
    border-radius: 12px;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
    min-height: 0;
    flex: 1 1 auto;
    height: 100%;
}

@media (max-width: 992px) {
    .hex-editor-page {
        grid-template-columns: 1fr;
    }

    .hex-editor-page.sidebar-collapsed {
        grid-template-columns: 1fr;
    }

    .hex-editor-sidebar {
        order: 2;
    }

    .hex-editor-main {
        order: 1;
    }
}

.session-hex-editor-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    overflow: visible;
    flex: 1 1 auto;
    min-height: 0;
}

.session-hex-editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    align-items: flex-end;
}

.session-hex-editor-toolbar-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 13rem;
}

.session-hex-editor-toolbar-group label,
.session-hex-editor-toolbar-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #486581;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.session-hex-editor-toolbar-group .form-select,
.session-hex-editor-toolbar-group .form-control {
    min-width: 13rem;
    padding: 0.4rem 0.6rem;
}

.session-hex-editor-toolbar-actions {
    flex: 1 1 auto;
    min-width: 0;
}

.session-hex-editor-toolbar-compare {
    min-width: 14rem;
    margin-left: auto;
}

.session-hex-editor-toolbar-link {
    min-width: 14rem;
}

.session-hex-editor-link-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #243b53;
    text-transform: none;
}

.session-hex-editor-link-toggle input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
}

.session-hex-editor-iconbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.session-hex-editor-settings {
    position: relative;
    display: inline-flex;
}

.session-hex-editor-settings-menu {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    width: min(280px, 80vw);
    background: #ffffff;
    border: 1px solid #d9e2ec;
    border-radius: 0.75rem;
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.12);
    padding: 0.85rem 1rem;
    display: grid;
    gap: 0.75rem;
    z-index: 30;
}

.session-hex-editor-settings-group {
    display: grid;
    gap: 0.55rem;
}

.session-hex-editor-settings-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: #486581;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.session-hex-editor-settings-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #243b53;
}

.session-hex-editor-settings-option input[type="radio"] {
    width: 1rem;
    height: 1rem;
}

.session-hex-editor-settings-description {
    font-size: 0.75rem;
    color: #627d98;
    line-height: 1.4;
    margin-left: 1.5rem;
}

.session-hex-editor-icon-button {
    width: 2.35rem;
    height: 2.35rem;
    border: 1px solid #bcccdc;
    background: #ffffff;
    color: #243b53;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.session-hex-editor-icon-button:hover:not(:disabled) {
    background: #f0f4f8;
    border-color: #9fb3c8;
    color: #102a43;
}

.session-hex-editor-icon-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.session-hex-editor-icon-separator {
    width: 1px;
    height: 1.85rem;
    background: #d9e2ec;
    margin: 0 0.4rem;
}

.session-hex-editor-shift-indicator {
    padding: 0.25rem 0.75rem;
    background: #f0f4f8;
    border: 1px solid #d9e2ec;
    border-radius: 999px;
    font-size: 0.8rem;
    color: #486581;
}

.session-hex-editor-toolbar-diff {
    flex-grow: 1;
}

.session-hex-editor-diff-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.session-hex-editor-button {
    border: 1px solid #bcccdc;
    background: #f0f4f8;
    color: #243b53;
    padding: 0.4rem 0.85rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.session-hex-editor-button.primary {
    background: #1f2937;
    border-color: #111827;
    color: #f8fafc;
}

.session-hex-editor-button:hover:not(:disabled) {
    background: #dde7f0;
    border-color: #9fb3c8;
}

.session-hex-editor-button.primary:hover:not(:disabled) {
    background: #243b53;
    border-color: #1e2d44;
}

.session-hex-editor-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.session-hex-editor-loading,
.session-hex-editor-empty {
    padding: 1.2rem;
    border-radius: 8px;
    background: #f0f4f8;
    color: #486581;
    text-align: center;
}

.hex-editor-dialog-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(36, 59, 83, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    z-index: 1100;
}

.hex-editor-dialog {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.2);
    width: min(420px, 90vw);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.4rem;
}

.hex-editor-dialog-body {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.hex-editor-dialog-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.hex-editor-dialog-field span {
    font-size: 0.85rem;
    font-weight: 600;
    color: #486581;
}

.hex-editor-dialog-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.2rem;
}

.hex-editor-search-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    margin: 0.35rem 0;
}

.hex-editor-search-summary-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #486581;
}

.hex-editor-search-summary-value {
    font-size: 0.9rem;
    font-family: "JetBrains Mono", "Fira Mono", "SFMono-Regular", Consolas, monospace;
    color: #243b53;
    overflow-wrap: anywhere;
}

.hex-editor-dialog-option {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: #334e68;
}

.hex-editor-dialog-datatypes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.4rem 0.8rem;
}

.hex-editor-dialog-datatype {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: #334e68;
}

.hex-editor-dialog-fieldset {
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.hex-editor-dialog-fieldset legend {
    font-size: 0.8rem;
    font-weight: 600;
    color: #486581;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.2rem;
}

.hex-editor-dialog-fieldset label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    color: #334e68;
}

.hex-editor-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
}

.session-hex-editor-status {
    padding: 0.6rem 0.9rem;
    border-radius: 6px;
    border-left: 4px solid transparent;
    font-weight: 600;
}

.session-hex-editor-status.info {
    background: #edf2f7;
    border-color: #4aa3df;
    color: #1f3b4d;
}

.session-hex-editor-status.error {
    background: #fde8e8;
    border-color: #c81e1e;
    color: #8b1c13;
}

.session-hex-editor-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    overflow: hidden;
    flex: 1 1 auto;
    min-height: 0;
}

.session-hex-editor-content.has-comparison {
    display: grid;
    gap: 1.5rem;
    min-height: 0;
    height: 100%;
}

.session-hex-editor-content.has-comparison.comparison-vertical {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(2, minmax(0, 1fr));
}

.session-hex-editor-content.has-comparison.comparison-horizontal {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
}

.session-hex-editor-main-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    min-height: 0;
    align-items: stretch;
}

.session-hex-editor-main-layout.with-utilities {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
}

@media (max-width: 1200px) {
    .session-hex-editor-main-layout.with-utilities {
        grid-template-columns: minmax(0, 1fr);
    }
}

.hex-editor-utility-panel {
    background: #111827;
    color: #e2e8f0;
    border-radius: 12px;
    border: 1px solid #1f2937;
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    max-height: 100%;
    overflow: auto;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.35);
}

.hex-editor-utility-panel.collapsed {
    display: none;
}

.hex-editor-utility-panel .form-control,
.hex-editor-utility-panel .form-select {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.35);
    color: #f8fafc;
}

.hex-editor-utility-panel .form-control:focus,
.hex-editor-utility-panel .form-select:focus {
    border-color: #94a3b8;
    box-shadow: none;
    outline: none;
}

.hex-editor-utility-section {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    background: rgba(30, 41, 59, 0.55);
    border-radius: 10px;
    padding: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.25);
}

.hex-editor-utility-section.collapsed {
    padding-bottom: 0.75rem;
}

.hex-editor-utility-section-header {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #cbd5f5;
    margin: 0;
    display: flex;
}

.hex-editor-utility-section-toggle {
    appearance: none;
    background: none;
    border: none;
    color: inherit;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    font: inherit;
    text-transform: inherit;
    letter-spacing: inherit;
    width: 100%;
    cursor: pointer;
}

.hex-editor-utility-section-toggle:focus-visible {
    outline: 2px solid rgba(96, 165, 250, 0.75);
    outline-offset: 2px;
    border-radius: 6px;
}

.hex-editor-utility-section-glyph {
    font-size: 1rem;
    line-height: 1;
    color: #94a3b8;
}

.hex-editor-utility-content {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.hex-editor-utility-content.collapsed {
    display: none;
}

.hex-editor-utility-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.hex-editor-utility-field label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #cbd5f5;
}

.hex-editor-utility-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.hex-editor-utility-value {
    font-family: 'Fira Code', 'Consolas', 'SFMono-Regular', 'Menlo', monospace;
    font-weight: 600;
    color: #f8fafc;
}

.hex-editor-utility-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.hex-editor-utility-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.hex-editor-utility-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #e2e8f0;
}

.hex-editor-utility-checkbox input {
    width: 1rem;
    height: 1rem;
}

.hex-editor-utility-datatypes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.45rem 0.75rem;
}

.hex-editor-utility-datatype {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.9rem;
    color: #e2e8f0;
}

.hex-editor-utility-datatype input {
    width: 1rem;
    height: 1rem;
}

.hex-editor-search-results {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.hex-editor-search-result-list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    max-height: 220px;
    overflow-y: auto;
    padding-right: 0.2rem;
}

.hex-editor-search-result {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 6px;
    color: #f8fafc;
    font-family: 'Fira Code', 'Consolas', 'SFMono-Regular', 'Menlo', monospace;
    font-size: 0.85rem;
    text-align: left;
    padding: 0.35rem 0.55rem;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.hex-editor-search-result:hover,
.hex-editor-search-result:focus-visible {
    background: rgba(59, 130, 246, 0.35);
    border-color: rgba(96, 165, 250, 0.65);
    outline: none;
}

/* removed direction controls from utility panel */

.session-hex-viewer {
    background: #f8fafc;
    border: 1px solid #d9e2ec;
    border-radius: 10px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1 1 auto;
    min-height: 0;
}

.session-hex-viewer-body {
    display: flex;
    gap: 1rem;
    flex: 1 1 auto;
    min-height: 0;
}

.session-hex-editor-content.has-comparison .session-hex-viewer {
    min-height: 0;
}

.session-hex-viewer.secondary {
    background: #ffffff;
}

.session-hex-info-panel {
    flex: 0 0 220px;
    background: #ffffff;
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    padding: 0.75rem;
    overflow: auto;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hex-info-empty {
    font-size: 0.8rem;
    color: #486581;
}

.session-hex-viewer.secondary .session-hex-info-panel {
    background: #f8fafc;
}

.hex-info-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.hex-info-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: #243b53;
    word-break: break-word;
}

.hex-info-subtitle {
    font-size: 0.75rem;
    color: #486581;
    word-break: break-all;
}

.hex-info-section {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.hex-info-section h3 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #829ab1;
    margin: 0;
}

.hex-info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
}

.hex-info-table th {
    text-align: left;
    font-weight: 600;
    color: #334e68;
    padding: 0.2rem 0.35rem 0.2rem 0;
    width: 60%;
}

.hex-info-table td {
    text-align: right;
    color: #102a43;
    padding: 0.2rem 0;
    font-family: 'Fira Code', 'Consolas', 'SFMono-Regular', 'Menlo', monospace;
}

.session-hex-viewer-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.session-hex-viewer-header-main {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.session-hex-viewer-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.session-hex-viewer-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: #486581;
}

.session-hex-viewer-toggle input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
}

.session-hex-viewer-title {
    font-size: 1rem;
    font-weight: 700;
    color: #243b53;
}

.session-hex-viewer-meta {
    font-size: 0.8rem;
    color: #627d98;
}

.session-hex-viewer-grid {
    --hex-row-height: 32px;
    flex: 1 1 auto;
    overflow: auto;
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    background: #ffffff;
    padding: 0.4rem 0.6rem;
    scroll-behavior: smooth;
    height: 100%;
    max-height: 100%;
    min-height: 0;
}

.session-hex-viewer-grid-header {
    position: sticky;
    top: 0;
    display: grid;
    grid-template-columns: 6.5rem 1fr 11rem;
    gap: 0.6rem;
    align-items: center;
    font-family: var(--font-mono, "JetBrains Mono", Consolas, monospace);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #486581;
    background: #ffffff;
    padding: 0.1rem 0.2rem 0.25rem;
    border-bottom: 1px solid #d9e2ec;
    z-index: 1;
}

.hex-editor-header-bytes {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: normal;
}

.hex-editor-header-byte {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 2ch;
    padding: 0.15rem 0.25rem;
}

.hex-editor-header-address,
.hex-editor-header-ascii {
    color: #243b53;
}

.session-hex-editor-content.has-comparison .session-hex-viewer-grid {
    min-height: 0;
    height: 100%;
    max-height: none;
}

.session-hex-editor-toolbar-layout {
    align-items: flex-end;
}

.session-hex-editor-layout-buttons {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.session-hex-editor-layout-button {
    min-width: 0;
}

.session-hex-editor-layout-button.active {
    background: #243b53;
    color: #ffffff;
}

.hex-editor-row {
    display: grid;
    grid-template-columns: 6.5rem 1fr 11rem;
    gap: 0.6rem;
    align-items: center;
    font-family: var(--font-mono, "JetBrains Mono", Consolas, monospace);
    font-size: 0.85rem;
    padding: 0.25rem 0.35rem;
    border-bottom: 1px solid #e4ebf3;
    min-height: var(--hex-row-height, 32px);
    box-sizing: border-box;
}

.hex-editor-row:last-child {
    border-bottom: none;
}

.hex-editor-row.diff-row {
    background: #fff5f5;
}

.hex-editor-row.missing-row {
    background: #f5f7fa;
}

.hex-editor-row.target-row {
    outline: 2px solid #4aa3df;
    border-radius: 6px;
    background: #e3f2ff;
}

.hex-editor-row.secondary-row {
    background: #f8fbff;
}

.hex-editor-address {
    font-weight: 700;
    color: #486581;
}

.hex-editor-bytes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    align-items: center;
}

.hex-editor-byte {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2ch;
    padding: 0.15rem 0.25rem;
    border-radius: 4px;
    color: #243b53;
    background: transparent;
    transition: background-color 0.2s ease, color 0.2s ease;
    cursor: pointer;
}

.hex-editor-byte-input {
    display: inline-block;
    width: 2.6ch;
    min-width: 2.6ch;
    padding: 0.15rem 0.25rem;
    border-radius: 4px;
    border: 1px solid #9fb3c8;
    background-color: #ffffff;
    color: #243b53;
    font-family: var(--font-mono, "JetBrains Mono", Consolas, monospace);
    font-size: 0.85rem;
    line-height: 1.1;
    text-align: center;
    text-transform: uppercase;
}

.hex-editor-byte-input:focus {
    outline: 2px solid #3182ce;
    outline-offset: 0;
}

.hex-editor-byte.diff-byte {
    background: #fde8e8;
    color: #9b1c31;
}

.hex-editor-byte.missing-byte {
    opacity: 0.45;
    cursor: default;
}

.hex-editor-byte.search-hit {
    background: #d9f0ff;
    color: #0b3d91;
}

.hex-editor-byte.search-hit.selected {
    box-shadow: 0 0 0 2px #2b6cb0 inset;
}

.hex-editor-byte.selected {
    background: #ffe3ba;
    color: #102a43;
}

.hex-editor-gap {
    display: inline-block;
    width: 0.8rem;
}

.hex-editor-ascii {
    display: flex;
    gap: 0.2rem;
    font-family: var(--font-mono, "JetBrains Mono", Consolas, monospace);
    white-space: pre;
}

.hex-editor-ascii-char {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1ch;
    min-width: 1ch;
    padding: 0.15rem 0.2rem;
    border-radius: 4px;
    color: #243b53;
    cursor: pointer;
}

.hex-editor-ascii-input {
    display: inline-block;
    width: 1.4ch;
    min-width: 1.4ch;
    padding: 0.15rem 0.2rem;
    border-radius: 4px;
    border: 1px solid #9fb3c8;
    background-color: #ffffff;
    color: #243b53;
    font-family: var(--font-mono, "JetBrains Mono", Consolas, monospace);
    font-size: 0.85rem;
    line-height: 1.1;
    text-align: center;
}

.hex-editor-ascii-input:focus {
    outline: 2px solid #3182ce;
    outline-offset: 0;
}

.hex-editor-ascii-char.diff-byte {
    background: #fde8e8;
    color: #9b1c31;
}

.hex-editor-ascii-char.missing-byte {
    opacity: 0.45;
    cursor: default;
}

.hex-editor-ascii-char.search-hit {
    background: #d9f0ff;
    color: #0b3d91;
}

.hex-editor-ascii-char.search-hit.selected {
    box-shadow: 0 0 0 2px #2b6cb0 inset;
}

.hex-editor-ascii-char.selected {
    background: #ffe3ba;
    color: #102a43;
}

.password-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.password-input .form-control {
    flex: 1 1 auto;
    min-width: 0;
}

.password-toggle {
    border: none;
    background: #e4ebf3;
    color: #243b53;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.password-toggle:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.password-toggle:hover:not(:disabled),
.password-toggle:focus-visible:not(:disabled) {
    background: #d0d9e5;
    color: #102a43;
    outline: none;
}