/* ==========================================
   BHS2S Map - Premium Dark Theme
   ========================================== */

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-tertiary: #242836;
    --bg-hover: #2d3244;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #6b7280;
    --accent: #4f8cff;
    --accent-hover: #3b7afe;
    --accent-glow: rgba(79, 140, 255, 0.15);
    --red: #f44336;
    --red-light: rgba(244, 67, 54, 0.55);
    --red-glow: rgba(244, 67, 54, 0.15);
    --yellow: #ffc107;
    --yellow-light: rgba(255, 193, 7, 0.55);
    --yellow-glow: rgba(255, 193, 7, 0.15);
    --green: #84cc16;
    --green-light: rgba(132, 204, 22, 0.55);
    --green-glow: rgba(132, 204, 22, 0.15);
    --milky: #fdfbf7;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --radius: 10px;
    --radius-sm: 6px;
    --sidebar-width: 380px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* ==========================================
   Map
   ========================================== */
#map {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Custom Map Labels */
.custom-map-label {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    pointer-events: none;
    /* Let clicks pass through to the polygon */
}

.label-content {
    position: absolute;
    /* Translate to center the text exactly on the point, and scale based on zoom */
    transform: translate(-50%, -50%) scale(var(--label-scale, 1));
    transform-origin: center center;
    white-space: normal;
    word-wrap: break-word;
    line-height: 1.2;
    text-align: center;
    font-family: 'Inter', sans-serif;
}

/* Tỉnh: In hoa, in đậm, mờ hơn quận (chữ chìm watermark) */
.prov-text {
    font-size: 9px;
    /* Cỡ chữ bằng 2/3 so với trước */
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.85);
    /* Chữ trắng */
    /* Viền màu xanh lam đậm không có bóng đen đổ */
    text-shadow:
        1px 1px 0 #002244,
        -1px -1px 0 #002244,
        1px -1px 0 #002244,
        -1px 1px 0 #002244;
    pointer-events: none;
    max-width: 120px;
}

/* Quận/Huyện: Dễ đọc, sáng hơn */
.dist-text {
    font-size: 8px;
    /* Giảm cỡ chữ xuống để không đè lên nhau */
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.9), -1px -1px 2px rgba(0, 0, 0, 0.9);
    max-width: 45px;
}

/* Hide labels classes used by JS toggle */
.hide-dist-labels .dist-label-marker {
    display: none !important;
}

.hide-prov-labels .prov-label-marker {
    display: none !important;
}

/* ==========================================
   Toggle Button
   ========================================== */
.toggle-btn {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.toggle-btn:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.sidebar.open~.toggle-btn {
    right: calc(var(--sidebar-width) + 16px);
}

/* ==========================================
   Sidebar
   ========================================== */
.sidebar {
    position: fixed;
    top: 0;
    right: -var(--sidebar-width);
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    z-index: 999;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #4f8cff, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-header .subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ==========================================
   Tabs
   ========================================== */
.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border);
    padding: 0 8px;
}

.tab-btn {
    flex: 1;
    padding: 12px 8px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

/* Scrollbar */
.tab-content::-webkit-scrollbar {
    width: 4px;
}

.tab-content::-webkit-scrollbar-track {
    background: transparent;
}

.tab-content::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 4px;
}

/* ==========================================
   Search & Stats
   ========================================== */
.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-box input {
    flex: 1;
    border: none;
    background: none;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.stats-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.stat {
    flex: 1;
    text-align: center;
    padding: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.stat-num {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-red .stat-num {
    color: var(--red);
}

.stat-yellow .stat-num {
    color: var(--yellow);
}

.stat-green .stat-num {
    color: var(--green);
}

/* ==========================================
   Customer List
   ========================================== */
.customer-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.customer-card {
    padding: 12px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.customer-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    border-radius: 3px 0 0 3px;
}

.customer-card.level-100::before {
    background: var(--red);
}

.customer-card.level-50::before {
    background: var(--yellow);
}

.customer-card.level-0::before {
    background: var(--green);
}

.customer-card:hover {
    background: var(--bg-hover);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateX(-2px);
}

.customer-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 4px;
}

.customer-card .card-name {
    font-weight: 600;
    font-size: 0.88rem;
}

.customer-card .card-badge {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}

.card-badge.badge-100 {
    background: var(--red-glow);
    color: var(--red);
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.card-badge.badge-50 {
    background: var(--yellow-glow);
    color: var(--yellow);
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.card-badge.badge-0 {
    background: var(--green-glow);
    color: var(--green);
    border: 1px solid rgba(132, 204, 22, 0.3);
}

.customer-card .card-zones {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
    line-height: 1.4;
}

.customer-card .card-actions {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    opacity: 0;
    transition: var(--transition);
}

.customer-card:hover .card-actions {
    opacity: 1;
}

.card-actions button {
    padding: 4px 10px;
    font-size: 0.7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

.card-actions button:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.card-actions button.btn-delete:hover {
    background: var(--red);
    border-color: var(--red);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state svg {
    opacity: 0.3;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.empty-state small {
    font-size: 0.75rem;
}

/* ==========================================
   Form
   ========================================== */
#customerForm h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239aa0a6' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.zone-selector {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.selected-zones {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 8px;
}

.zone-tag {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    background: var(--accent-glow);
    border: 1px solid rgba(79, 140, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    color: var(--accent);
    animation: slideIn 0.2s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

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

.zone-tag button {
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0 2px;
    line-height: 1;
    transition: var(--transition);
}

.zone-tag button:hover {
    color: var(--red);
}

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    padding: 10px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
}

.btn-primary {
    flex: 1;
    background: linear-gradient(135deg, var(--accent), #6366f1);
    color: #fff;
    box-shadow: 0 2px 8px rgba(79, 140, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(79, 140, 255, 0.4);
}

.btn-ghost {
    background: none;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-outline {
    background: none;
    color: var(--accent);
    border: 1px solid rgba(79, 140, 255, 0.3);
}

.btn-outline:hover {
    background: var(--accent-glow);
}

.btn-outline:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.full-width {
    width: 100%;
}

/* ==========================================
   Settings
   ========================================== */
.settings-group {
    margin-bottom: 20px;
}

.settings-group h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.settings-group h4 {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.settings-group .btn {
    margin-bottom: 8px;
}

.import-section {
    margin-top: 8px;
}

.legend-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.legend-info .legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    flex-shrink: 0;
}

/* ==========================================
   Map Legend (floating)
   ========================================== */
.map-legend {
    position: fixed;
    bottom: 24px;
    left: 16px;
    background: rgba(26, 29, 39, 0.92);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    z-index: 500;
    box-shadow: var(--shadow-sm);
}

.map-legend .legend-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.map-legend .legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    padding: 2px 0;
}

.map-legend .legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
}

/* ==========================================
   Loading Overlay
   ========================================== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 17, 23, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    text-align: center;
}

.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loader p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==========================================
   Toast Notification
   ========================================== */
.toast {
    position: fixed;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.85rem;
    z-index: 10000;
    box-shadow: var(--shadow);
    transition: bottom 0.3s ease;
    white-space: nowrap;
}

.toast.show {
    bottom: 24px;
}

.toast.success {
    border-color: rgba(76, 175, 80, 0.4);
    background: rgba(76, 175, 80, 0.15);
}

.toast.error {
    border-color: rgba(244, 67, 54, 0.4);
    background: rgba(244, 67, 54, 0.15);
}

/* ==========================================
   Leaflet Overrides
   ========================================== */
.leaflet-control-zoom a {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border) !important;
}

.leaflet-control-zoom a:hover {
    background: var(--bg-tertiary) !important;
}

.leaflet-popup-content-wrapper {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
    border: 1px solid var(--border);
}

.leaflet-popup-tip {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border);
    border-top: none;
    border-left: none;
}

.leaflet-popup-content {
    margin: 10px 14px !important;
    font-family: 'Inter', sans-serif !important;
    font-size: 0.82rem !important;
    line-height: 1.5 !important;
}

.leaflet-popup-content .popup-title {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.leaflet-popup-content .popup-level {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    display: inline-block;
    margin-bottom: 4px;
}

.leaflet-popup-content .popup-level.level-100 {
    background: var(--red-glow);
    color: var(--red);
}

.leaflet-popup-content .popup-level.level-50 {
    background: var(--yellow-glow);
    color: var(--yellow);
}

.leaflet-popup-content .popup-level.level-0 {
    background: var(--green-glow);
    color: var(--green);
}

.leaflet-popup-content .popup-level.level-unassigned {
    background: rgba(253, 251, 247, 0.15);
    color: #fdfbf7;
    border: 1px solid rgba(253, 251, 247, 0.3);
}

.leaflet-popup-content .popup-customer {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.leaflet-container {
    background: #0f1117 !important;
}

/* Confirm Dialog */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.confirm-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    min-width: 320px;
    box-shadow: var(--shadow);
    animation: scaleIn 0.2s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.confirm-dialog h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.confirm-dialog p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.confirm-dialog .btn-row {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.confirm-dialog .btn-danger {
    background: var(--red);
    color: #fff;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.82rem;
    transition: var(--transition);
}

.confirm-dialog .btn-danger:hover {
    background: #d32f2f;
}

.confirm-dialog .btn-cancel {
    background: none;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.82rem;
    transition: var(--transition);
}

.confirm-dialog .btn-cancel:hover {
    background: var(--bg-hover);
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 640px) {
    :root {
        --sidebar-width: 100vw;
    }

    .toggle-btn {
        top: 10px;
        right: 10px;
    }

    .sidebar.open~.toggle-btn {
        right: calc(100vw - 54px);
        z-index: 1001;
    }

    .map-legend {
        bottom: 12px;
        left: 8px;
        padding: 8px 12px;
    }
}