/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Inter", system-ui, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f0f23 100%);
    color: #fff;
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 2rem;
}

.title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

/* Search */
.search-box {
    margin-top: 1.5rem;
}

.search-box input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    outline: none;
    transition: all 0.2s;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.search-box input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
}

/* Districts */
#districts {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem;
    color: rgba(255, 255, 255, 0.5);
}

/* District Card */
.district {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

.district-header {
    width: 100%;
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s;
}

.district-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.district-name {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.district-name-ml {
    font-size: 0.75rem;
    color: #e74c3c;
    font-weight: 500;
}

.district-name-en {
    font-size: 1.125rem;
    font-weight: 600;
}

.district-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.unit-count {
    font-size: 0.625rem;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.chevron {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
    transition: transform 0.2s;
}

.district-header[aria-expanded="true"] .chevron {
    transform: rotate(180deg);
}

/* Stations */
.stations {
    display: none;
    padding: 0.5rem 1rem 1rem;
}

.stations.open {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    animation: fadeIn 0.2s ease;
}

@media (min-width: 600px) {
    .stations.open {
        grid-template-columns: 1fr 1fr;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Station Card */
.station {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: background 0.2s;
}

.station:hover {
    background: rgba(255, 255, 255, 0.1);
}

.station-name {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.station-name-ml {
    font-size: 0.625rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.station-name-en {
    font-size: 0.875rem;
    font-weight: 500;
}

.call-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.125rem;
    transition: all 0.2s;
}

.call-btn:hover {
    background: #e74c3c;
    color: #fff;
    transform: scale(1.05);
}

/* No Results */
.no-results {
    text-align: center;
    padding: 3rem;
    color: rgba(255, 255, 255, 0.4);
}

.hidden {
    display: none;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
}