:root {
    --bg: #ffffff;
    --fg: #1a1a1a;
    --muted: #6b6b6b;
    --border: #e0e0e0;
    --accent: #2e7d32;
    --accent-bg: #e8f5e9;
    --today-border: #1565c0;
    --card-bg: #fafafa;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #121212;
        --fg: #eaeaea;
        --muted: #9a9a9a;
        --border: #333333;
        --accent: #66bb6a;
        --accent-bg: #1b3a1d;
        --today-border: #64b5f6;
        --card-bg: #1c1c1c;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--fg);
}

.page {
    max-width: 760px;
    margin: 0 auto;
    padding: 16px;
}

.header {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.header-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-row:first-child {
    justify-content: space-between;
}

#monthTitle {
    margin: 0;
    font-size: 1.25rem;
    text-align: center;
    flex: 1;
}

.nav-btn, .icon-btn {
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--fg);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 1rem;
    cursor: pointer;
}

.nav-btn:hover, .icon-btn:hover {
    border-color: var(--accent);
}

.location-row {
    position: relative;
}

.location-select {
    flex: 1;
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--fg);
}

.city-search-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px;
    z-index: 10;
    max-height: 320px;
    overflow-y: auto;
}

.city-search-input {
    width: 100%;
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--fg);
    margin-bottom: 6px;
}

.city-search-group-label {
    font-size: 0.75rem;
    color: var(--muted);
    margin: 6px 0 2px;
}

.city-search-item {
    display: flex;
    justify-content: space-between;
    width: 100%;
    text-align: left;
    padding: 6px 8px;
    border: none;
    background: transparent;
    color: var(--fg);
    border-radius: 6px;
    cursor: pointer;
}

.city-search-item:hover {
    background: var(--accent-bg);
}

.city-search-item-add {
    color: var(--accent);
    font-size: 0.8rem;
}

.city-search-empty {
    color: var(--muted);
    padding: 6px 8px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.day-header {
    text-align: center;
    font-size: 0.8rem;
    color: var(--muted);
    padding: 4px 0;
}

.calendar-day {
    min-height: 64px;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.calendar-day:hover {
    border-color: var(--accent);
}

.calendar-day.empty {
    border: none;
    cursor: default;
}

.calendar-day.is-today {
    border-color: var(--today-border);
    border-width: 2px;
}

.calendar-day.is-fast {
    background: var(--accent-bg);
}

.day-number {
    font-weight: 600;
}

.day-tithi {
    font-size: 0.7rem;
    color: var(--muted);
}

.day-markers {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: auto;
}

.ekadashi-dot, .legend-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.ekadashi-dot, .legend-dot.ekadashi-dot {
    background: var(--accent);
}

.fast-tag {
    font-size: 0.65rem;
    background: var(--accent);
    color: #fff;
    border-radius: 4px;
    padding: 1px 4px;
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--muted);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-dot.fast-suddha { background: var(--accent); }
.legend-dot.fast-tithi { background: #ef6c00; }
.legend-dot.fast-naksh { background: #6a1b9a; }

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    z-index: 100;
}

.modal-overlay[hidden] { display: none; }

.modal {
    background: var(--bg);
    color: var(--fg);
    border-radius: 12px;
    max-width: 440px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 16px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.1rem;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
}

.detail-table th, .detail-table td {
    text-align: left;
    padding: 4px 6px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.detail-table th {
    color: var(--muted);
    font-weight: 500;
    white-space: nowrap;
}

.ekadashi-block {
    margin-top: 12px;
    padding: 10px;
    background: var(--accent-bg);
    border-radius: 8px;
}

.ekadashi-block h3 {
    margin: 0 0 6px;
    font-size: 0.95rem;
}

.ekadashi-block p {
    margin: 2px 0;
    font-size: 0.85rem;
}

.tithi-segments {
    margin-top: 12px;
    padding: 10px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.tithi-segments h3 {
    margin: 0 0 6px;
    font-size: 0.95rem;
}

.tithi-segments ul {
    margin: 0;
    padding-left: 18px;
    font-size: 0.85rem;
}

.loading, .error {
    color: var(--muted);
}