/* EGEOK Design System v2 — shared UI components */

/* --- Page header (accent stripe) --- */
.assignments-header {
    display: flex;
    flex-direction: column;
    gap: var(--egeok-space-1);
}

.teacher-list-page.assignments-page .assignments-header,
.check-test-result-page.teacher-list-page.assignments-page .assignments-header {
    padding: var(--egeok-space-2) var(--egeok-space-3) 0.65rem var(--egeok-space-4);
    margin-left: -0.15rem;
    margin-right: -0.15rem;
    border-radius: var(--egeok-radius-sm);
    border-left: var(--egeok-page-header-accent-width) solid var(--egeok-accent);
    background: var(--egeok-color-bg-surface);
}

.assignments-title {
    font-size: var(--egeok-font-size-2xl);
    font-weight: var(--egeok-font-weight-bold);
    color: var(--egeok-color-text-primary);
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.assignments-subtitle {
    color: var(--egeok-color-text-muted);
    font-size: 0.95rem;
}

/* --- Data tables --- */
.modern-table {
    margin-bottom: 0;
}

.modern-table thead th {
    font-size: var(--egeok-font-size-xs);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--egeok-color-text-muted);
    font-weight: var(--egeok-font-weight-semibold);
    border-bottom: 1px solid var(--egeok-table-border);
    background: var(--egeok-color-bg-surface);
    padding: var(--egeok-space-3) 0.9rem;
}

.teacher-list-page .modern-table thead.table-light th,
.assignments-page .modern-table thead.table-light th,
.student-analytics-page .modern-table thead.table-light th {
    background-color: var(--egeok-color-bg-muted);
    color: var(--egeok-color-text-muted);
}

.modern-table td {
    vertical-align: middle;
    border-color: var(--egeok-table-cell-border);
    padding: var(--egeok-space-3) 0.9rem;
    color: var(--egeok-color-text-secondary);
}

.modern-table .text-muted {
    color: var(--egeok-color-text-muted) !important;
    font-size: var(--egeok-font-size-xs);
}

/* --- Clickable rows --- */
.clickable-row[data-href],
.clickable-row[data-href] > td,
.clickable-row[data-href] > th {
    cursor: pointer;
}

.teacher-list-page .clickable-row,
.assignments-page .clickable-row,
.student-analytics-page .clickable-row,
.student-dashboard .clickable-row,
.materials-library-root .clickable-row {
    cursor: pointer;
    transition: background-color 0.16s ease;
}

.teacher-list-page .clickable-row:hover,
.assignments-page .clickable-row:hover,
.student-analytics-page .clickable-row:hover,
.student-dashboard .clickable-row:hover,
.materials-library-root .clickable-row:hover {
    background-color: var(--egeok-table-row-hover);
}

.teacher-list-page .clickable-row:focus-visible,
.assignments-page .clickable-row:focus-visible,
.student-analytics-page .clickable-row:focus-visible,
.student-dashboard .clickable-row:focus-visible,
.materials-library-root .clickable-row:focus-visible {
    outline: 2px solid var(--egeok-accent);
    outline-offset: -2px;
}

/* --- Icon action buttons --- */
.egeok-icon-btn {
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1.625rem;
    height: 1.625rem;
    padding: 0;
    border: 0;
    border-radius: var(--egeok-radius-sm);
    background: transparent;
    color: var(--egeok-color-text-muted);
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    vertical-align: middle;
}

.egeok-icon-btn .bi {
    font-size: var(--egeok-font-size-md);
    line-height: 1;
    pointer-events: none;
}

.egeok-icon-btn:hover,
.egeok-icon-btn:focus-visible {
    background: rgba(15, 23, 42, 0.06);
    color: var(--egeok-color-text-secondary);
}

.egeok-icon-btn:focus-visible {
    outline: 2px solid var(--egeok-btn-focus-ring);
    outline-offset: 1px;
}

.egeok-icon-btn--primary {
    color: var(--egeok-color-text-muted);
}

.egeok-icon-btn--primary:hover,
.egeok-icon-btn--primary:focus-visible {
    background: var(--egeok-accent-soft);
    color: var(--egeok-accent);
}

.egeok-icon-btn--danger {
    color: var(--color-slate-400);
}

.egeok-icon-btn--danger:hover,
.egeok-icon-btn--danger:focus-visible {
    background: rgba(220, 53, 69, 0.1);
    color: var(--color-red-600);
}

.egeok-icon-btn--md {
    width: 2rem;
    height: 2rem;
}

.egeok-icon-btn--md .bi {
    font-size: var(--egeok-font-size-lg);
}

@media (max-width: 575.98px) {
    .egeok-icon-btn {
        width: 2rem;
        height: 2rem;
    }
}

/* --- List page badges --- */
.teacher-list-page .badge,
.assignments-page .badge,
.student-analytics-page .badge {
    border-radius: 999px;
    font-size: var(--egeok-font-size-xs);
    font-weight: var(--egeok-font-weight-semibold);
    padding: 0.4rem 0.65rem;
}

/* --- Sortable table headers --- */
th[data-sort] {
    position: relative;
    cursor: pointer;
    user-select: none;
    padding-right: 1.8rem;
}

th[data-sort]::after {
    content: "↕";
    position: absolute;
    right: 0.7rem;
    color: var(--color-slate-300);
    font-size: 0.78rem;
}

th[data-sort].asc::after,
th[data-sort].desc::after {
    color: var(--egeok-color-text-muted);
}

th[data-sort].asc::after {
    content: "↑";
}

th[data-sort].desc::after {
    content: "↓";
}

/* --- Site chrome: navbar (DS v2 tokens) --- */
.site-navbar .site-nav-link:hover,
.site-navbar .site-nav-link:focus {
    color: var(--egeok-accent) !important;
    background: var(--egeok-accent-soft);
    box-shadow: none;
}

.site-navbar .site-nav-link.active {
    font-weight: var(--egeok-font-weight-semibold);
    color: var(--egeok-accent) !important;
    background: var(--egeok-accent-soft);
    text-shadow: none;
}

/* Шапочная CTA «Войти» — цвет Telegram, не зелёный primary */
.site-navbar .nav-link-login {
    gap: 0.4rem;
    font-weight: var(--egeok-font-weight-semibold) !important;
    font-size: var(--egeok-font-size-md) !important;
    letter-spacing: -0.01em;
    line-height: 1.2;
    color: #fff !important;
    background: #54a9eb !important;
    padding: 0.3rem 1rem !important;
    border-radius: var(--egeok-btn-radius) !important;
    box-shadow: 0 4px 14px rgba(84, 169, 235, 0.35);
    border: none !important;
    min-height: 32px;
    text-decoration: none;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.site-navbar .nav-link-login svg {
    display: block;
    width: 1.05rem;
    height: 1.05rem;
    flex-shrink: 0;
}

.site-navbar .nav-link-login:hover,
.site-navbar .nav-link-login:focus-visible {
    color: #fff !important;
    background: #4a9ad6 !important;
    box-shadow: 0 6px 20px rgba(84, 169, 235, 0.45);
    outline: 2px solid rgba(84, 169, 235, 0.45);
    outline-offset: 2px;
}

@media (pointer: coarse), (max-width: 991.98px) {
    .site-navbar .nav-link-login {
        min-height: 44px;
    }
}

.site-navbar-avatar {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.95), 0 0 0 3px var(--egeok-color-focus-ring);
}

@media (prefers-reduced-motion: reduce) {
    .site-navbar .nav-link-login {
        transition: none;
    }

    .site-navbar .nav-link-login:hover,
    .site-navbar .nav-link-login:focus-visible {
        filter: none;
    }
}

/* Django messages: compact overlay, does not shift page flow */
.site-messages {
    position: fixed;
    top: calc(var(--site-navbar-h, 56px) + 0.75rem);
    left: 50%;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--egeok-space-2);
    width: max-content;
    max-width: min(28rem, calc(100vw - 1.5rem));
    margin: 0;
    padding: 0;
    pointer-events: none;
    transform: translateX(-50%);
}

.site-messages .site-toast {
    pointer-events: auto;
    width: max-content;
    max-width: 100%;
    margin: 0;
    padding: 0.45rem 2rem 0.45rem 0.9rem;
    border-radius: var(--egeok-radius-lg);
    box-shadow: var(--egeok-shadow-md);
    font-size: var(--egeok-font-size-sm);
    font-weight: var(--egeok-font-weight-medium);
    line-height: 1.35;
}

.site-messages .alert-success {
    --bs-alert-color: var(--egeok-badge-checked-fg);
    --bs-alert-bg: var(--egeok-badge-checked-bg);
    --bs-alert-border-color: transparent;
}

.site-messages .alert-info {
    --bs-alert-color: var(--egeok-color-text-primary);
    --bs-alert-bg: var(--egeok-color-bg-muted);
    --bs-alert-border-color: transparent;
}

.site-messages .alert-warning {
    --bs-alert-color: var(--egeok-badge-in-progress-fg);
    --bs-alert-bg: var(--egeok-badge-in-progress-bg);
    --bs-alert-border-color: transparent;
}

.site-messages .alert-danger {
    --bs-alert-color: var(--color-red-800);
    --bs-alert-bg: color-mix(in srgb, var(--color-red-700) 14%, var(--color-white));
    --bs-alert-border-color: transparent;
}

.site-messages .site-toast .btn-close {
    padding: 0.7rem;
}

@media (prefers-reduced-motion: reduce) {
    .site-messages .site-toast {
        transition: none;
    }
}