:root {
    color-scheme: dark;
    --bg: #0b1220;
    --text: #e2e8f0;
    --panel-bg: #e5e7eb;
    --border: #d1d5db;
    --heading: #111827;
    --body-text: #4b5563;
    --brand-accent: #c7d2fe;
    --brand-muted: #94a3b8;
    --button-bg: #111827;
    --button-border: #1f2937;
    --button-text: #e2e8f0;
    --button-primary-bg: #334155;
    --button-primary-border: #334155;
    --button-primary-text: #f8fafc;
    --input-bg: #ffffff;
    --input-text: #111827;
    --input-border: #d1d5db;
    --table-bg: #ffffff;
    --table-text: #111827;
    --table-header-bg: #f1f1f1;
    --shadow: rgba(15, 23, 42, 0.12);
    --shadow-strong: rgba(15, 23, 42, 0.16);
    --announcement-bg: #111827;
    --announcement-text: #e2e8f0;
    --announcement-border: #1f2937;
    --announcement-link: #c7d2fe;
}

html[data-theme="light"] {
    color-scheme: light;
    --bg: #f4f2ee;
    --text: #1f2937;
    --panel-bg: #fbfaf8;
    --border: #e0ddd7;
    --heading: #111827;
    --body-text: #4b5563;
    --brand-accent: #0b1220;
    --brand-muted: #6b7280;
    --button-bg: #111827;
    --button-border: #1f2937;
    --button-text: #f8fafc;
    --button-primary-bg: #334155;
    --button-primary-border: #334155;
    --button-primary-text: #f8fafc;
    --input-bg: #ffffff;
    --input-text: #111827;
    --input-border: #e0ddd7;
    --table-bg: #ffffff;
    --table-text: #111827;
    --table-header-bg: #f1f1f1;
    --shadow: rgba(15, 23, 42, 0.08);
    --shadow-strong: rgba(15, 23, 42, 0.12);
    --announcement-bg: #1f2937;
    --announcement-text: #e2e8f0;
    --announcement-border: #374151;
    --announcement-link: #c7d2fe;
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    padding-bottom: 90px;
}

.topbar {
    max-width: 1680px;
    margin: 0 auto;
    padding: 20px 24px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: block;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-title {
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    font-size: 12px;
    color: var(--brand-accent);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.auth-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-user {
    font-size: 13px;
    color: var(--text);
    font-weight: 600;
}

.auth-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--button-border);
    background: var(--button-bg);
    color: var(--button-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
}

.auth-button.primary {
    background: var(--button-primary-bg);
    border-color: var(--button-primary-border);
    color: var(--button-primary-text);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--button-border);
    background: transparent;
    color: var(--text);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
}

@media (max-width: 900px) {
    .topbar { flex-wrap: wrap; gap: 8px; }
    .topbar-right { flex-wrap: wrap; flex: 1; min-width: 0; justify-content: flex-end; }
    .auth-actions { flex-wrap: wrap; justify-content: flex-end; }
}

.page {
    max-width: 1680px;
    margin: 0 auto 40px;
    background: var(--panel-bg);
    padding: 24px;
    width: calc(100% - 48px);
    border-radius: 18px;
    border: 1px solid var(--border);
    box-shadow: 0 18px 36px var(--shadow);
    color: var(--heading);
}

h1 {
    text-align: center;
    color: var(--heading);
    margin-bottom: 24px;
    font-size: 26px;
    font-weight: 600;
}

.filter-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

select,
#filterButton {
    width: 260px;
    height: 46px;
    font-size: 15px;
    padding: 8px 12px;
    border: 1px solid var(--input-border);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--input-text);
}

select {
    cursor: pointer;
}

select:focus,
#filterButton:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    border-color: #667eea;
}

#filterButton {
    background: var(--button-bg);
    color: var(--button-text);
    border: 1px solid var(--button-border);
    cursor: pointer;
    width: auto;
    padding: 0 16px;
    min-width: 180px;
}

#filterButton:hover {
    filter: brightness(1.08);
}

.filter-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto 18px;
    background: var(--table-bg);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 14px;
    box-shadow: 0 12px 26px var(--shadow);
    color: var(--table-text);
}

.filter-menu h3 {
    margin-bottom: 10px;
    font-size: 14px;
}

.hidden {
    display: none;
}

#checkboxContainer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 10px 0 0;
}

#checkboxContainer input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    margin: 0;
}

#checkboxContainer label {
    background: var(--button-primary-bg);
    color: var(--button-primary-text);
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    border: 1px solid transparent;
}

#checkboxContainer label.inactive {
    background: transparent;
    color: var(--button-primary-bg);
    border: 1px solid var(--button-primary-bg);
}

#tableContainer {
    overflow-x: auto;
    margin-top: 12px;
    color: var(--table-text);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    background: var(--table-bg);
    color: var(--table-text);
    border-radius: 12px;
    overflow: hidden;
}

th,
td {
    padding: 10px 12px;
    border: 1px solid var(--border);
    text-align: center;
    font-size: 13px;
}

th {
    background: var(--table-header-bg);
    font-weight: 600;
}

table thead th {
    position: sticky;
    top: 0;
    background: var(--table-header-bg);
    z-index: 2;
}

.filter-close-button {
    display: block;
    margin-top: 10px;
    padding: 8px 16px;
    background: var(--button-primary-bg);
    color: var(--button-primary-text);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
}

.filter-close-button:hover {
    filter: brightness(1.06);
}

#announcementBar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--announcement-bg);
    color: var(--announcement-text);
    padding: 10px 16px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    border-top: 1px solid var(--announcement-border);
    z-index: 1000;
}

#announcementBar a {
    color: var(--announcement-link);
    text-decoration: underline;
}