:root {
    --accent: #3157d5;
    --accent-hover: #2749bb;
    --accent-soft: #e9efff;
    --accent-strong: #1d3d9e;
    --app-bg: #f3f6fb;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-soft: #f8fafc;
    --text: #172033;
    --text-soft: #354155;
    --muted: #667085;
    --border: #dce4ef;
    --border-strong: #c7d1df;
    --success: #087f5b;
    --success-soft: #e6f6ef;
    --warning: #9a5a00;
    --warning-soft: #fff4d8;
    --danger: #b4232d;
    --danger-soft: #ffebed;
    --info: #1769aa;
    --info-soft: #e8f4fd;
    --sidebar: #13203a;
    --sidebar-soft: #1c2b4a;
    --sidebar-text: #edf3ff;
    --sidebar-muted: #a9b7ce;
    --shadow-sm: 0 2px 8px -2px rgba(22, 34, 55, 0.08), 0 1px 3px -1px rgba(22, 34, 55, 0.05);
    --shadow-md: 0 18px 38px -14px rgba(22, 34, 55, 0.2), 0 6px 14px -6px rgba(22, 34, 55, 0.09);
    --shadow-lg: 0 30px 65px -18px rgba(22, 34, 55, 0.26);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --sidebar-width: 276px;
    --topbar-height: 76px;
    --connection-offset: 0px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 140ms var(--ease);
    --transition-base: 180ms var(--ease);
    --transition-slow: 260ms var(--ease);
    color-scheme: light;

    /* Single source of truth for dark values - both the explicit
       html[data-theme="dark"] rule and the prefers-color-scheme fallback
       for data-theme="system" below just map tokens onto these. */
    --_dark-app-bg: #0e1521;
    --_dark-surface: #172131;
    --_dark-surface-raised: #1b2739;
    --_dark-surface-soft: #121c2a;
    --_dark-text: #f3f6fb;
    --_dark-text-soft: #d9e1ec;
    --_dark-muted: #a6b2c3;
    --_dark-border: #2d3a4d;
    --_dark-border-strong: #435169;
    --_dark-accent-soft: #24365f;
    --_dark-success-soft: #133b31;
    --_dark-warning-soft: #43341a;
    --_dark-danger-soft: #45252a;
    --_dark-info-soft: #17354c;
    --_dark-shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.4), 0 1px 3px -1px rgba(0, 0, 0, 0.3);
    --_dark-shadow-md: 0 18px 38px -14px rgba(0, 0, 0, 0.58), 0 6px 14px -6px rgba(0, 0, 0, 0.38);
    --_dark-shadow-lg: 0 30px 65px -18px rgba(0, 0, 0, 0.68);
    --_dark-student-accent: #8fa8ff;
    --_dark-student-accent-hover: #a9bbff;
    --_dark-student-accent-soft: #26365d;
    --_dark-student-accent-strong: #c8d3ff;
    --_dark-teacher-accent: #62d6bd;
    --_dark-teacher-accent-hover: #82e2ce;
    --_dark-teacher-accent-soft: #173f3a;
    --_dark-teacher-accent-strong: #a8ecdd;
}

body[data-role="teacher"] {
    --accent: #087f68;
    --accent-hover: #066a57;
    --accent-soft: #e3f5f0;
    --accent-strong: #075f50;
    --sidebar: #102c30;
    --sidebar-soft: #173c40;
}

html[data-theme="dark"] {
    --app-bg: var(--_dark-app-bg);
    --surface: var(--_dark-surface);
    --surface-raised: var(--_dark-surface-raised);
    --surface-soft: var(--_dark-surface-soft);
    --text: var(--_dark-text);
    --text-soft: var(--_dark-text-soft);
    --muted: var(--_dark-muted);
    --border: var(--_dark-border);
    --border-strong: var(--_dark-border-strong);
    --accent-soft: var(--_dark-accent-soft);
    --success-soft: var(--_dark-success-soft);
    --warning-soft: var(--_dark-warning-soft);
    --danger-soft: var(--_dark-danger-soft);
    --info-soft: var(--_dark-info-soft);
    --shadow-sm: var(--_dark-shadow-sm);
    --shadow-md: var(--_dark-shadow-md);
    --shadow-lg: var(--_dark-shadow-lg);
    color-scheme: dark;
}

html[data-theme="dark"] body[data-role="student"] {
    --accent: var(--_dark-student-accent);
    --accent-hover: var(--_dark-student-accent-hover);
    --accent-soft: var(--_dark-student-accent-soft);
    --accent-strong: var(--_dark-student-accent-strong);
}

html[data-theme="dark"] body[data-role="teacher"] {
    --accent: var(--_dark-teacher-accent);
    --accent-hover: var(--_dark-teacher-accent-hover);
    --accent-soft: var(--_dark-teacher-accent-soft);
    --accent-strong: var(--_dark-teacher-accent-strong);
}

@media (prefers-color-scheme: dark) {
    html[data-theme="system"] {
        --app-bg: var(--_dark-app-bg);
        --surface: var(--_dark-surface);
        --surface-raised: var(--_dark-surface-raised);
        --surface-soft: var(--_dark-surface-soft);
        --text: var(--_dark-text);
        --text-soft: var(--_dark-text-soft);
        --muted: var(--_dark-muted);
        --border: var(--_dark-border);
        --border-strong: var(--_dark-border-strong);
        --accent-soft: var(--_dark-accent-soft);
        --success-soft: var(--_dark-success-soft);
        --warning-soft: var(--_dark-warning-soft);
        --danger-soft: var(--_dark-danger-soft);
        --info-soft: var(--_dark-info-soft);
        --shadow-sm: var(--_dark-shadow-sm);
        --shadow-md: var(--_dark-shadow-md);
        --shadow-lg: var(--_dark-shadow-lg);
        color-scheme: dark;
    }

    html[data-theme="system"] body[data-role="student"] {
        --accent: var(--_dark-student-accent);
        --accent-hover: var(--_dark-student-accent-hover);
        --accent-soft: var(--_dark-student-accent-soft);
        --accent-strong: var(--_dark-student-accent-strong);
    }

    html[data-theme="system"] body[data-role="teacher"] {
        --accent: var(--_dark-teacher-accent);
        --accent-hover: var(--_dark-teacher-accent-hover);
        --accent-soft: var(--_dark-teacher-accent-soft);
        --accent-strong: var(--_dark-teacher-accent-strong);
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    scroll-behavior: smooth;
    touch-action: pan-x pan-y;
}

body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    background: var(--app-bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 0.95rem;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
    touch-action: pan-x pan-y;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: var(--accent-strong);
}

img {
    display: block;
    max-width: 100%;
}

[hidden] {
    display: none !important;
}

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

.icon {
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

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

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 10px;
    left: 10px;
    transform: translateY(-160%);
    border-radius: var(--radius-sm);
    background: var(--surface-raised);
    color: var(--text);
    padding: 10px 14px;
    box-shadow: var(--shadow-md);
    font-weight: 750;
    text-decoration: none;
}

.skip-link:focus {
    transform: translateY(0);
}

.connection-banner {
    position: fixed;
    z-index: 300;
    inset: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 46px;
    padding: 10px max(16px, env(safe-area-inset-right)) 10px max(16px, env(safe-area-inset-left));
    background: #5d3a00;
    color: #fff8e7;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
    text-align: center;
    font-size: 0.88rem;
}

.pwa-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: var(--connection-offset);
}

.pwa-sidebar {
    position: sticky;
    z-index: 110;
    top: var(--connection-offset);
    display: flex;
    flex-direction: column;
    width: var(--sidebar-width);
    height: calc(100vh - var(--connection-offset));
    height: calc(100dvh - var(--connection-offset));
    overflow-y: auto;
    padding: 18px 14px max(18px, env(safe-area-inset-bottom));
    background: linear-gradient(180deg, var(--sidebar), var(--sidebar-soft));
    color: var(--sidebar-text);
    box-shadow: 10px 0 30px rgba(8, 17, 34, 0.1);
    scrollbar-width: thin;
}

.sidebar-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 22px;
}

.pwa-brand {
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
    color: var(--sidebar-text);
    text-decoration: none;
}

.pwa-brand img {
    width: 46px;
    height: 46px;
    flex: 0 0 auto;
    border-radius: 13px;
    background: #fff;
    object-fit: contain;
    padding: 3px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.24);
}

.pwa-brand strong,
.pwa-brand small {
    display: block;
}

.pwa-brand strong {
    font-size: 1.02rem;
    line-height: 1.2;
}

.pwa-brand small {
    margin-top: 2px;
    overflow: hidden;
    color: var(--sidebar-muted);
    font-size: 0.78rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-nav {
    display: grid;
    gap: 5px;
}

.sidebar-nav a,
.sidebar-action {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 46px;
    border: 1px solid transparent;
    border-radius: 12px;
    color: var(--sidebar-muted);
    padding: 10px 12px;
    background: transparent;
    font-weight: 650;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.sidebar-nav a:hover,
.sidebar-nav a.active,
.sidebar-action:hover {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.09);
    color: var(--sidebar-text);
}

.sidebar-nav a.active {
    box-shadow: inset 3px 0 0 #f6b84a;
}

.sidebar-nav a:hover,
.sidebar-action:hover {
    transform: translateX(2px);
}

.nav-count {
    min-width: 24px;
    margin-left: auto;
    border-radius: 999px;
    background: #f6b84a;
    color: #382500;
    padding: 2px 7px;
    text-align: center;
    font-size: 0.72rem;
    font-weight: 850;
}

.sidebar-switcher {
    display: grid;
    gap: 8px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.sidebar-switcher-label {
    margin: 0 0 2px;
    padding: 0 4px;
    color: var(--sidebar-muted);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.sidebar-switcher form {
    margin: 0;
}

.sidebar-switch-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 9px 12px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--sidebar-text);
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast),
        transform var(--transition-fast), box-shadow var(--transition-fast);
}

.sidebar-switch-item:hover,
.sidebar-switch-item:focus-visible {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.11);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.sidebar-switch-item:hover .sidebar-switch-go,
.sidebar-switch-item:focus-visible .sidebar-switch-go {
    color: var(--sidebar-text);
    transform: rotate(180deg);
}

.sidebar-switch-avatar {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    overflow: hidden;
    border: 1.5px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
}

.sidebar-switch-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-switch-avatar .icon {
    width: 18px;
    height: 18px;
    color: var(--sidebar-muted);
}

.sidebar-switch-avatar--initials {
    border-color: transparent;
    background: linear-gradient(145deg, var(--accent), var(--accent-hover));
    color: #fff;
    font-size: 0.76rem;
    font-weight: 750;
    letter-spacing: 0.01em;
}

.sidebar-switch-info {
    display: flex;
    flex: 1 1 auto;
    min-width: 0;
    flex-direction: column;
    gap: 1px;
}

.sidebar-switch-info strong {
    overflow: hidden;
    font-size: 0.85rem;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-switch-info span {
    overflow: hidden;
    color: var(--sidebar-muted);
    font-size: 0.74rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-switch-go {
    flex: 0 0 auto;
    width: 15px;
    height: 15px;
    color: var(--sidebar-muted);
    transition: color var(--transition-fast), transform var(--transition-base);
}

.sidebar-footer {
    display: grid;
    gap: 4px;
    margin-top: auto;
    padding-top: 20px;
}

.sidebar-footer form {
    margin: 0;
}

.sidebar-close {
    display: none;
    color: var(--sidebar-text);
    background: rgba(255, 255, 255, 0.08);
}

.sidebar-backdrop {
    position: fixed;
    z-index: 100;
    inset: 0;
    display: none;
    border: 0;
    background: rgba(5, 12, 25, 0.58);
    backdrop-filter: blur(2px);
}

.pwa-frame {
    min-width: 0;
}

.pwa-topbar {
    position: sticky;
    z-index: 80;
    top: var(--connection-offset);
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: var(--topbar-height);
    border-bottom: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
    padding: 12px clamp(18px, 3vw, 38px);
    background: color-mix(in srgb, var(--surface) 91%, transparent);
    backdrop-filter: blur(18px);
}

.topbar-title {
    min-width: 0;
}

.eyebrow {
    display: block;
    margin-bottom: 1px;
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.topbar-title h1 {
    overflow: hidden;
    margin: 0;
    font-size: clamp(1.2rem, 2vw, 1.58rem);
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.icon-button,
.avatar-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--surface-raised);
    color: var(--text-soft);
    box-shadow: 0 2px 8px rgba(22, 34, 55, 0.04);
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.icon-button:hover,
.avatar-button:hover {
    border-color: var(--border-strong);
    background: var(--surface-soft);
    color: var(--accent-strong);
}

.icon-button:active,
.avatar-button:active {
    transform: scale(0.94);
}

.icon-button.compact {
    width: 36px;
    height: 36px;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.avatar-button {
    overflow: hidden;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.avatar-button img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.notification-button {
    position: relative;
}

.notification-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 9px;
    height: 9px;
    border: 2px solid var(--surface-raised);
    border-radius: 50%;
    background: var(--danger);
}

.menu-button {
    display: none;
}

.pwa-main {
    width: min(100%, 1540px);
    margin: 0 auto;
    padding: clamp(20px, 3vw, 38px);
}

.page-lead {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 24px;
}

.page-lead h2 {
    margin: 0;
    font-size: clamp(1.28rem, 2vw, 1.8rem);
    line-height: 1.25;
}

.page-lead p {
    max-width: 720px;
    margin: 6px 0 0;
    color: var(--muted);
}

.page-actions,
.button-row,
.card-actions,
.filter-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
}

.button,
button.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 9px 15px;
    background: var(--accent);
    color: #fff;
    font-weight: 750;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

html[data-theme="dark"] .button,
html[data-theme="dark"] button.button {
    color: #101827;
}

.button:hover {
    background: var(--accent-hover);
}

.button:active {
    transform: translateY(1px);
}

.button.secondary {
    border-color: var(--border);
    background: var(--surface-raised);
    color: var(--text-soft);
}

.button.secondary:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
}

.button.danger {
    border-color: color-mix(in srgb, var(--danger) 34%, var(--border));
    background: var(--danger-soft);
    color: var(--danger);
}

.button.small {
    min-height: 38px;
    padding: 7px 12px;
    font-size: 0.86rem;
}

.camera-capture-button {
    margin-top: 8px;
}

.button[disabled],
.button.is-disabled {
    opacity: 0.58;
    cursor: not-allowed;
}

.button.is-busy::before {
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    content: "";
    animation: button-spin 0.7s linear infinite;
}

@keyframes button-spin {
    to { transform: rotate(360deg); }
}

.card,
.panel,
.stat-card,
.list-card,
.profile-card,
.chart-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.card,
.panel,
.profile-card {
    padding: clamp(16px, 2.2vw, 24px);
}

.card-header,
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}

.card-header h2,
.card-header h3,
.section-header h2,
.section-header h3 {
    margin: 0;
    font-size: 1.04rem;
    line-height: 1.3;
}

.card-header p,
.section-header p {
    margin: 3px 0 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.header-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 40px;
    color: var(--accent-strong);
    font-weight: 750;
    text-decoration: none;
    white-space: nowrap;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

.stat-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 142px;
    overflow: hidden;
    padding: 17px;
}

.stat-card::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--stat-color, var(--accent));
    content: "";
}

.stat-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.stat-icon,
.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    border-radius: 13px;
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.stat-label {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 720;
}

.stat-value {
    display: block;
    margin-top: auto;
    padding-top: 12px;
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 850;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.stat-caption {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-size: 0.78rem;
}

.dashboard-grid,
.two-column-grid,
.chart-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.85fr);
    gap: 18px;
    align-items: start;
}

.chart-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stack {
    display: grid;
    gap: 18px;
}

.item-list,
.notification-list,
.compact-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.list-item,
.notification-item,
.deadline-item,
.student-row,
.submission-row {
    display: flex;
    align-items: center;
    gap: 13px;
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 13px;
    padding: 13px;
    background: var(--surface-raised);
    color: var(--text);
    text-decoration: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

a.list-item:hover,
a.deadline-item:hover,
a.student-row:hover,
a.submission-row:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.item-main {
    min-width: 0;
    flex: 1;
}

.item-main strong,
.item-main span,
.item-main small {
    display: block;
}

.item-main strong {
    overflow: hidden;
    color: var(--text);
    text-overflow: ellipsis;
}

.item-main span,
.item-main small,
.item-meta {
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.82rem;
}

.item-end {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
}

.attendance-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 999px;
}

.attendance-toggle label {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    margin: 0;
    padding: 8px 14px;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 750;
    text-align: center;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.attendance-toggle label:not(:first-of-type) {
    border-left: 1px solid var(--border);
}

.attendance-toggle input:focus-visible + label {
    outline: 3px solid var(--accent);
    outline-offset: -3px;
}

.attendance-toggle input[value="present"]:checked + label {
    background: var(--success-soft);
    color: var(--success);
}

.attendance-toggle input[value="late"]:checked + label {
    background: var(--warning-soft);
    color: var(--warning);
}

.attendance-toggle input[value="absent"]:checked + label {
    background: var(--danger-soft);
    color: var(--danger);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 28px;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 4px 9px;
    background: var(--surface-soft);
    color: var(--text-soft);
    font-size: 0.74rem;
    font-weight: 800;
    line-height: 1;
    white-space: nowrap;
}

.status-badge.success,
.status-badge.submitted,
.status-badge.published,
.status-badge.on-time,
.status-badge.read {
    border-color: color-mix(in srgb, var(--success) 24%, transparent);
    background: var(--success-soft);
    color: var(--success);
}

.status-badge.warning,
.status-badge.pending,
.status-badge.due-soon,
.status-badge.draft {
    border-color: color-mix(in srgb, var(--warning) 24%, transparent);
    background: var(--warning-soft);
    color: var(--warning);
}

.status-badge.danger,
.status-badge.late,
.status-badge.overdue,
.status-badge.returned {
    border-color: color-mix(in srgb, var(--danger) 24%, transparent);
    background: var(--danger-soft);
    color: var(--danger);
}

.status-badge.info,
.status-badge.resubmission-required {
    border-color: color-mix(in srgb, var(--info) 24%, transparent);
    background: var(--info-soft);
    color: var(--info);
}

.progress-track {
    width: 100%;
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--border);
}

.progress-bar {
    width: var(--progress, 0%);
    height: 100%;
    border-radius: inherit;
    background: var(--accent);
}

.meta-row,
.detail-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 9px 18px;
    color: var(--muted);
    font-size: 0.84rem;
}

.meta-row span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
}

.detail-grid div {
    min-width: 0;
    border-bottom: 1px solid var(--border);
    padding: 11px 0;
}

.detail-grid dt {
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.035em;
    text-transform: uppercase;
}

.detail-grid dd {
    margin: 3px 0 0;
    overflow-wrap: anywhere;
    color: var(--text);
    font-weight: 680;
}

.profile-summary {
    display: flex;
    align-items: center;
    gap: 18px;
}

.profile-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 88px;
    height: 88px;
    flex: 0 0 auto;
    overflow: hidden;
    border: 4px solid var(--surface-raised);
    border-radius: 24px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    box-shadow: var(--shadow-sm);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-avatar .icon {
    width: 36px;
    height: 36px;
}

.profile-summary h2 {
    margin: 0;
    font-size: 1.35rem;
}

.profile-summary p {
    margin: 4px 0 0;
    color: var(--muted);
}

.student-choice-card {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface-raised);
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.student-choice-card:hover,
.student-choice-card:focus-visible {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.student-choice-card .profile-avatar {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    border-width: 2px;
}

.student-choice-card .profile-avatar .icon {
    width: 22px;
    height: 22px;
}

.student-choice-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.student-choice-info strong {
    font-size: 1rem;
}

.student-choice-info span {
    color: var(--muted);
    font-size: 0.86rem;
}

.welcome-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    overflow: hidden;
    margin-bottom: 22px;
    border: 0;
    border-radius: var(--radius-lg);
    padding: clamp(20px, 3.6vw, 34px);
    background: linear-gradient(135deg, var(--accent-strong), var(--accent));
    color: #fff;
    box-shadow: var(--shadow-lg);
}

.welcome-card::after {
    position: absolute;
    right: -75px;
    bottom: -105px;
    width: 270px;
    height: 270px;
    border: 44px solid rgba(255, 255, 255, 0.09);
    border-radius: 50%;
    content: "";
}

.welcome-card > * {
    position: relative;
    z-index: 1;
}

.welcome-card h2 {
    margin: 0;
    font-size: clamp(1.4rem, 3vw, 2.1rem);
}

.welcome-card p {
    max-width: 650px;
    margin: 8px 0 0;
    color: rgba(255, 255, 255, 0.84);
}

.welcome-card .button.secondary {
    border-color: rgba(255, 255, 255, 0.38);
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    backdrop-filter: blur(8px);
}

.empty-state,
.error-state,
.loading-state {
    display: grid;
    place-items: center;
    min-height: 190px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    padding: 28px 18px;
    background: var(--surface-soft);
    color: var(--muted);
    text-align: center;
}

.empty-state.compact {
    min-height: 125px;
}

.state-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    margin-bottom: 10px;
    border-radius: 17px;
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.state-icon .icon {
    width: 26px;
    height: 26px;
}

.empty-state h3,
.error-state h3,
.loading-state h3 {
    margin: 0;
    color: var(--text);
    font-size: 1rem;
}

.empty-state p,
.error-state p,
.loading-state p {
    max-width: 460px;
    margin: 5px 0 0;
}

.chart-card {
    min-width: 0;
    padding: 18px;
}

.chart-wrap {
    position: relative;
    height: 300px;
}

.chart-wrap.small {
    height: 245px;
}

.chart-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}

.chart-summary {
    margin-top: 14px;
    color: var(--muted);
    font-size: 0.83rem;
}

.filter-bar,
.form-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.filter-bar {
    display: flex;
    align-items: end;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}

.filter-field {
    min-width: 160px;
    flex: 1 1 190px;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px;
}

.field,
.form-card form > p {
    min-width: 0;
    margin: 0;
}

.field.full,
.field-grid .full {
    grid-column: 1 / -1;
}

label,
.field-label,
.form-card form > p > label {
    display: block;
    margin-bottom: 7px;
    color: var(--text-soft);
    font-size: 0.83rem;
    font-weight: 780;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--border-strong);
    border-radius: 11px;
    padding: 9px 12px;
    background: var(--surface-raised);
    color: var(--text);
}

textarea {
    min-height: 128px;
    resize: vertical;
}

input[type="file"] {
    padding: 8px;
}

input[type="checkbox"],
input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent);
    outline: 3px solid color-mix(in srgb, var(--accent) 20%, transparent);
    outline-offset: 1px;
}

.help-text,
.form-card .helptext {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-size: 0.78rem;
}

.error-list,
.form-card .errorlist {
    margin: 6px 0 0;
    padding-left: 18px;
    color: var(--danger);
    font-size: 0.82rem;
}

.form-errors {
    margin-bottom: 16px;
    border: 1px solid color-mix(in srgb, var(--danger) 30%, var(--border));
    border-radius: 12px;
    padding: 12px 14px;
    background: var(--danger-soft);
    color: var(--danger);
}

.file-drop {
    display: grid;
    place-items: center;
    min-height: 150px;
    border: 2px dashed var(--border-strong);
    border-radius: 14px;
    padding: 20px;
    background: var(--surface-soft);
    text-align: center;
}

.file-drop:focus-within,
.file-drop.is-dragover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.file-drop .icon {
    width: 30px;
    height: 30px;
    margin-bottom: 8px;
    color: var(--accent-strong);
}

.attachment-card {
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: 13px;
    padding: 12px;
    background: var(--surface-soft);
}

.attachment-card .feature-icon {
    width: 40px;
    height: 40px;
}

.attachment-card .item-main {
    overflow-wrap: anywhere;
}

.homework-grid,
.class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(265px, 1fr));
    gap: 16px;
}

.day-group-heading {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 28px 0 14px;
    color: var(--text);
    font-size: 1.05rem;
    font-weight: 800;
}

.day-group-heading:first-of-type {
    margin-top: 4px;
}

.day-group-count {
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--muted);
    padding: 2px 9px;
    font-size: 0.76rem;
    font-weight: 750;
}

.homework-card,
.class-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 235px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.homework-card h2,
.homework-card h3,
.class-card h2,
.class-card h3 {
    margin: 12px 0 6px;
    font-size: 1.04rem;
    line-height: 1.35;
}

.homework-card p,
.class-card p {
    display: -webkit-box;
    overflow: hidden;
    margin: 0 0 14px;
    color: var(--muted);
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.homework-card .card-actions,
.class-card .card-actions {
    margin-top: auto;
    padding-top: 14px;
}

.subject-chip {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    min-height: 30px;
    border-radius: 999px;
    padding: 5px 10px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.76rem;
    font-weight: 820;
}

.tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    margin: 0 0 18px;
    padding: 3px 2px 8px;
    scrollbar-width: thin;
}

.tabs a,
.tabs button {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    flex: 0 0 auto;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 14px;
    background: var(--surface);
    color: var(--text-soft);
    font-weight: 720;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.tabs .active,
.tabs [aria-current="page"] {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.notification-item {
    align-items: flex-start;
    padding: 15px;
}

.notification-item.unread {
    border-left: 4px solid var(--accent);
    background: color-mix(in srgb, var(--accent-soft) 45%, var(--surface));
}

.notification-item .feature-icon {
    width: 42px;
    height: 42px;
}

.notification-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
}

.inline-messages {
    display: grid;
    gap: 9px;
    margin-bottom: 18px;
}

.inline-message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: 13px;
    padding: 11px 13px;
    background: var(--info-soft);
    color: var(--info);
}

.inline-message--success {
    background: var(--success-soft);
    color: var(--success);
}

.inline-message--warning {
    background: var(--warning-soft);
    color: var(--warning);
}

.inline-message--error,
.inline-message--danger {
    background: var(--danger-soft);
    color: var(--danger);
}

.toast-region {
    position: fixed;
    z-index: 400;
    right: max(16px, env(safe-area-inset-right));
    bottom: max(18px, env(safe-area-inset-bottom));
    display: grid;
    width: min(390px, calc(100vw - 32px));
    gap: 10px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 13px;
    padding: 12px 14px;
    background: var(--surface-raised);
    color: var(--text);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: toast-in 180ms ease-out both;
}

.toast p {
    flex: 1;
    margin: 0;
}

.toast.is-leaving {
    animation: toast-out 160ms ease-in both;
}

.toast--success {
    border-left-color: var(--success);
}

.toast--success .icon {
    color: var(--success);
}

.toast--warning {
    border-left-color: var(--warning);
}

.toast--warning .icon {
    color: var(--warning);
}

.toast--error {
    border-left-color: var(--danger);
}

.toast--error .icon {
    color: var(--danger);
}

.toast--info {
    border-left-color: var(--info);
}

.toast--info .icon {
    color: var(--info);
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(8px); }
}

@keyframes toast-out {
    to { opacity: 0; transform: translateY(8px); }
}

.bottom-nav {
    display: none;
}

.bottom-icon-wrap {
    position: relative;
    display: inline-flex;
}

.bottom-count {
    position: absolute;
    top: -8px;
    right: -13px;
    min-width: 18px;
    border-radius: 999px;
    padding: 1px 5px;
    background: var(--danger);
    color: #fff;
    font-size: 0.62rem;
    font-weight: 850;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 22px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    border: 1px solid var(--border);
    border-radius: 11px;
    padding: 8px 11px;
    background: var(--surface);
    color: var(--text-soft);
    text-decoration: none;
}

.pagination [aria-current="page"] {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}

.data-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.data-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    border-bottom: 1px solid var(--border);
    padding: 13px 15px;
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 0.74rem;
    font-weight: 820;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.data-table tr:last-child td {
    border-bottom: 0;
}

.login-page,
.offline-page {
    display: grid;
    min-height: 100vh;
    min-height: 100dvh;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at 10% 10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 34%),
        radial-gradient(circle at 90% 90%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 30%),
        var(--app-bg);
}

.login-shell,
.offline-shell {
    width: min(100%, 980px);
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: var(--surface);
    box-shadow: var(--shadow-lg);
}

.login-shell {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
}

.login-brand-panel {
    position: relative;
    overflow: hidden;
    padding: clamp(28px, 5vw, 56px);
    background: linear-gradient(145deg, var(--sidebar), var(--accent-strong));
    color: #fff;
}

.login-brand-panel::after {
    position: absolute;
    right: -90px;
    bottom: -90px;
    width: 260px;
    height: 260px;
    border: 45px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    content: "";
}

.login-logo {
    width: 64px;
    height: 64px;
    border-radius: 17px;
    background: #fff;
    object-fit: contain;
    padding: 4px;
}

.login-brand-panel h1 {
    position: relative;
    z-index: 1;
    margin: 28px 0 10px;
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    line-height: 1.15;
}

.login-brand-panel p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
}

.login-form-panel {
    padding: clamp(28px, 5vw, 56px);
}

.login-form-panel h2 {
    margin: 0;
    font-size: 1.5rem;
}

.login-form-panel > p {
    margin: 7px 0 24px;
    color: var(--muted);
}

.login-form {
    display: grid;
    gap: 16px;
}

.login-form .button {
    width: 100%;
    margin-top: 4px;
}

.login-tools {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 18px;
}

.offline-shell {
    max-width: 600px;
    padding: clamp(28px, 6vw, 58px);
    text-align: center;
}

.offline-shell .state-icon {
    width: 72px;
    height: 72px;
    margin-inline: auto;
}

.offline-shell h1 {
    margin: 14px 0 8px;
}

.offline-shell p {
    margin: 0 auto 22px;
    max-width: 460px;
    color: var(--muted);
}

.skeleton {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: var(--border);
    color: transparent !important;
}

.skeleton::after {
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.36), transparent);
    content: "";
    animation: skeleton-shimmer 1.4s infinite;
}

@keyframes skeleton-shimmer {
    to { transform: translateX(100%); }
}

@media (max-width: 1099px) {
    .pwa-shell {
        grid-template-columns: minmax(0, 1fr);
    }

    .pwa-sidebar {
        position: fixed;
        top: var(--connection-offset);
        left: 0;
        width: min(88vw, 320px);
        height: calc(100dvh - var(--connection-offset));
        transform: translateX(-105%);
        transition: transform var(--transition-slow);
    }

    body.menu-open {
        overflow: hidden;
    }

    body.menu-open .pwa-sidebar {
        transform: translateX(0);
    }

    body.menu-open .sidebar-backdrop {
        display: block;
    }

    .menu-button,
    .sidebar-close {
        display: inline-flex;
    }

    .dashboard-grid,
    .two-column-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    :root {
        --topbar-height: 66px;
    }

    .connection-banner {
        justify-content: flex-start;
        text-align: left;
    }

    .pwa-topbar {
        gap: 9px;
        padding: 10px 14px;
    }

    .topbar-theme {
        display: none;
    }

    .topbar-title .eyebrow {
        display: none;
    }

    .topbar-title h1 {
        font-size: 1.13rem;
    }

    .pwa-main {
        padding: 18px 14px calc(92px + env(safe-area-inset-bottom));
    }

    .page-lead {
        flex-direction: column;
        margin-bottom: 18px;
    }

    .page-actions {
        width: 100%;
    }

    .page-actions .button {
        flex: 1 1 auto;
    }

    .chart-grid {
        grid-template-columns: 1fr;
    }

    .chart-wrap {
        height: 270px;
    }

    .bottom-nav {
        position: fixed;
        z-index: 90;
        right: 0;
        bottom: 0;
        left: 0;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        min-height: calc(68px + env(safe-area-inset-bottom));
        border-top: 1px solid var(--border);
        padding: 6px max(5px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(5px, env(safe-area-inset-left));
        background: color-mix(in srgb, var(--surface) 94%, transparent);
        box-shadow: 0 -8px 24px rgba(22, 34, 55, 0.08);
        backdrop-filter: blur(18px);
    }

    body[data-role="teacher"] .bottom-nav {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }

    .bottom-nav a {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        min-width: 0;
        min-height: 56px;
        border-radius: 11px;
        color: var(--muted);
        font-size: 0.67rem;
        font-weight: 720;
        text-decoration: none;
    }

    .bottom-nav a .icon {
        width: 21px;
        height: 21px;
    }

    .bottom-nav a.active {
        background: var(--accent-soft);
        color: var(--accent-strong);
    }

    .toast-region {
        bottom: calc(82px + env(safe-area-inset-bottom));
    }

    .welcome-card {
        align-items: flex-start;
        flex-direction: column;
    }

    .welcome-card .button {
        width: 100%;
    }

    .field-grid,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .profile-summary {
        align-items: flex-start;
    }

    .login-page,
    .offline-page {
        padding: 14px;
    }

    .login-shell {
        grid-template-columns: 1fr;
    }

    .login-brand-panel {
        padding: 26px;
    }

    .login-brand-panel h1 {
        margin-top: 18px;
        font-size: 1.55rem;
    }

    .login-form-panel {
        padding: 26px;
    }

    .notification-item {
        flex-wrap: wrap;
    }

    .notification-actions {
        width: 100%;
        padding-left: 55px;
    }
}

@media (max-width: 500px) {
    .topbar-actions {
        gap: 5px;
    }

    .topbar-actions .icon-button,
    .topbar-actions .avatar-button {
        width: 44px;
        height: 44px;
    }

    .stat-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .stat-card {
        min-height: 130px;
        padding: 14px;
    }

    .stat-icon {
        width: 36px;
        height: 36px;
    }

    .stat-value {
        font-size: 1.35rem;
    }

    .homework-grid,
    .class-grid {
        grid-template-columns: 1fr;
    }

    .card-header,
    .section-header {
        align-items: flex-start;
    }

    .item-end .status-badge {
        max-width: 115px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .profile-summary {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .pwa-sidebar,
    .pwa-topbar,
    .bottom-nav,
    .connection-banner,
    .toast-region,
    .page-actions {
        display: none !important;
    }

    .pwa-shell {
        display: block;
    }

    .pwa-main {
        width: 100%;
        padding: 0;
    }

    .card,
    .panel,
    .stat-card,
    .chart-card {
        box-shadow: none;
    }
}