/* Modern overlay for the olympiad dashboard. Loaded last. */
:root {
    --site-bg: #f3f5fa;
    --site-surface: #ffffff;
    --site-ink: #0f172a;
    --site-muted: #64748b;
    --site-line: #e8edf5;
    --site-accent: #2563eb;
    --site-accent-soft: #eff4ff;
    --site-radius: 3px;
    --site-shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 8px 24px rgba(15, 23, 42, 0.06);
}

body {
    background: var(--site-bg) !important;
    color: var(--site-ink);
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif !important;
}

.theme-toggle,
.auth-btn {
    border-radius: var(--site-radius) !important;
    font-weight: 600 !important;
    box-shadow: var(--site-shadow) !important;
    border: 1px solid var(--site-line) !important;
}

.auth-btn {
    background: var(--site-accent) !important;
}

.theme-toggle {
    background: var(--site-surface) !important;
    color: var(--site-ink) !important;
}

.container {
    max-width: 1320px !important;
    padding: 12px 20px 40px !important;
}

.search-box,
.tabs,
.main-content,
.sidebar-section,
.contact-info {
    border-radius: var(--site-radius) !important;
    border: 1px solid var(--site-line);
    box-shadow: var(--site-shadow) !important;
}

.search-box {
    padding: 14px 16px !important;
}

.search-input {
    border-radius: var(--site-radius) !important;
    border-color: var(--site-line) !important;
    background: #f8fafc !important;
}

.search-input:focus {
    border-color: var(--site-accent) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.tag-filter-toggle,
.tag-dropdown,
.tag-btn,
.selected-tag {
    border-radius: var(--site-radius) !important;
}

.tabs {
    gap: 6px !important;
    padding: 8px !important;
    background: var(--site-surface) !important;
}

.tab {
    border-radius: var(--site-radius) !important;
    font-weight: 600 !important;
    color: #334155;
}

.tab:hover {
    background: var(--site-accent-soft) !important;
}

.tab.active {
    background: var(--site-accent) !important;
    color: #fff !important;
}

.news-header,
.upcoming-header {
    background: #0f172a !important;
    border-bottom: none !important;
    font-weight: 650 !important;
    letter-spacing: -0.01em;
}

body:not(.dark-mode) #pageHeader.tab-header-light {
    background: #ffffff !important;
    color: #0f172a !important;
    border-bottom: 1px solid var(--site-line) !important;
}

body.dark-mode #pageHeader.tab-header-light {
    background: #121826 !important;
    color: #e8eef8 !important;
    border-bottom: 1px solid #243044 !important;
}

.rating-header {
    background: #ea580c !important;
}

.news-container:not(.landing-scroll) {
    height: min(68vh, 720px) !important;
}

.contest-name {
    color: var(--site-accent) !important;
}

.contest-link {
    border-radius: var(--site-radius) !important;
}

.monitor-tab.active {
    background: var(--site-accent) !important;
    border-color: var(--site-accent) !important;
}

.stat-value {
    color: var(--site-accent) !important;
}

.calendar-day-cell:hover,
.calendar-day-cell.today {
    border-color: var(--site-accent) !important;
}

.today .day-number,
.calendar-event-day {
    color: var(--site-accent) !important;
}

.modal-content {
    border-radius: var(--site-radius) !important;
}

body.dark-mode {
    --site-bg: #0b1220;
    --site-surface: #151c2c;
    --site-ink: #e8eef8;
    --site-muted: #94a3b8;
    --site-line: #243044;
    --site-accent: #60a5fa;
    --site-accent-soft: #1c2940;
    --site-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

body.dark-mode .theme-toggle {
    background: #1e293b !important;
    color: #e8eef8 !important;
    border-color: #334155 !important;
}

body.dark-mode .auth-btn {
    background: var(--site-accent) !important;
    color: #0f172a !important;
}

body.dark-mode .search-input,
body.dark-mode .tab:hover {
    background: #1c2538 !important;
}