/* ==========================================
   Pins on the Map - Styles
   ========================================== */

:root {
    /* Sizing */
    --sidebar-width: 360px;
    --header-height: 70px;
    --border-radius: 8px;
    --border-radius-sm: 6px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme (default) */
:root, [data-theme="dark"] {
    /* Color Palette - Dark earthy map aesthetic */
    --bg-primary: #1a1d21;
    --bg-secondary: #242830;
    --bg-tertiary: #2d323c;
    --bg-hover: #363c4a;
    
    --text-primary: #f5f5f0;
    --text-secondary: #a8a8a0;
    --text-muted: #6b6b65;
    
    --accent-gold: #6366f1;
    --accent-copper: #818cf8;
    --accent-teal: #4a9d8e;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-color: rgba(0, 0, 0, 0.4);
    
    --popup-bg: #2d323c;
    --popup-text: #f5f5f0;
    --popup-border: rgba(255, 255, 255, 0.1);
}

/* Light Theme */
[data-theme="light"] {
    /* Color Palette - Light clean aesthetic */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f2f5;
    --bg-hover: #e4e6e9;
    
    --text-primary: #1a1d21;
    --text-secondary: #5c5f66;
    --text-muted: #9ca3af;
    
    --accent-gold: #4f46e5;
    --accent-copper: #6366f1;
    --accent-teal: #2e8b7a;
    
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.15);
    
    --popup-bg: #ffffff;
    --popup-text: #1a1d21;
    --popup-border: rgba(0, 0, 0, 0.1);
}

/* Auto-detect system preference */
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
        --bg-primary: #f8f9fa;
        --bg-secondary: #ffffff;
        --bg-tertiary: #f0f2f5;
        --bg-hover: #e4e6e9;
        
        --text-primary: #1a1d21;
        --text-secondary: #5c5f66;
        --text-muted: #9ca3af;
        
        --accent-gold: #4f46e5;
        --accent-copper: #6366f1;
        --accent-teal: #2e8b7a;
        
        --border-color: rgba(0, 0, 0, 0.1);
        --shadow-color: rgba(0, 0, 0, 0.15);
        
        --popup-bg: #ffffff;
        --popup-text: #1a1d21;
        --popup-border: rgba(0, 0, 0, 0.1);
    }
}

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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ==========================================
   App Layout
   ========================================== */

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    position: relative;
}

/* ==========================================
   Sidebar
   ========================================== */

.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    position: relative;
    z-index: 100;
    transition: transform var(--transition-slow);
}

.sidebar-header {
    height: var(--header-height);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

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

.logo-icon {
    font-size: 24px;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

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

.sidebar-toggle {
    display: none;
    width: 36px;
    height: 36px;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle .toggle-icon {
    width: 16px;
    height: 2px;
    background: transparent;
    position: relative;
}

.sidebar-toggle .toggle-icon::before,
.sidebar-toggle .toggle-icon::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 2px;
    background: var(--text-primary);
    left: 0;
}

.sidebar-toggle .toggle-icon::before {
    transform: rotate(45deg);
}

.sidebar-toggle .toggle-icon::after {
    transform: rotate(-45deg);
}

/* Theme Toggle Button */
.theme-toggle {
    width: 36px;
    height: 36px;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition-fast);
}

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

.theme-toggle .theme-icon-light,
.theme-toggle .theme-icon-dark {
    display: none;
}

/* Show sun icon in dark mode */
[data-theme="dark"] .theme-toggle .theme-icon-light,
:root:not([data-theme]) .theme-toggle .theme-icon-light {
    display: block;
}

/* Show moon icon in light mode */
[data-theme="light"] .theme-toggle .theme-icon-dark {
    display: block;
}

/* Auto-detect for system preference */
@media (prefers-color-scheme: light) {
    :root:not([data-theme]) .theme-toggle .theme-icon-light {
        display: none;
    }
    :root:not([data-theme]) .theme-toggle .theme-icon-dark {
        display: block;
    }
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    scrollbar-width: thin;
    scrollbar-color: var(--bg-hover) transparent;
}

.sidebar-content::-webkit-scrollbar {
    width: 6px;
}

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

.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 3px;
}

.sidebar-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

/* ==========================================
   Pin Lists
   ========================================== */

.list-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pin-list-item {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.pin-list-item:hover {
    background: var(--bg-hover);
    border-color: var(--border-color);
}

.pin-list-item.active {
    border-left: 3px solid var(--list-color, var(--accent-gold));
    border-color: var(--border-color);
    border-left-color: var(--list-color, var(--accent-gold));
}

/* Collapsed state - only show title and checkbox when unchecked */
.pin-list-item:not(.active) .list-description,
.pin-list-item:not(.active) .pin-count,
.pin-list-item:not(.active) .icon-picker-wrapper,
.pin-list-item:not(.active) .color-picker-wrapper {
    display: none;
}

.pin-list-item:not(.active) {
    padding: 12px 16px;
    opacity: 0.7;
}

.pin-list-item:not(.active):hover {
    opacity: 1;
}

.pin-list-item:not(.active) .list-title {
    margin-bottom: 0;
}

.list-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

/* Custom Checkbox */
.checkbox-wrapper {
    position: relative;
    flex-shrink: 0;
}

.checkbox-wrapper input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.checkmark {
    width: 22px;
    height: 22px;
    border: 2px solid var(--text-muted);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    background: var(--bg-secondary);
}

.checkbox-wrapper input:checked + .checkmark {
    background: var(--list-color, var(--accent-gold));
    border-color: var(--list-color, var(--accent-gold));
}

.checkmark svg {
    width: 14px;
    height: 14px;
    stroke: var(--bg-primary);
    stroke-width: 3;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--transition-fast);
}

.checkbox-wrapper input:checked + .checkmark svg {
    opacity: 1;
    transform: scale(1);
}

.list-info {
    flex: 1;
    min-width: 0;
}

.list-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pin-count {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--bg-primary);
    background: var(--list-color, var(--accent-gold));
    padding: 2px 8px;
    border-radius: 12px;
    opacity: 0.9;
}

.list-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Icon Picker */
.icon-picker-wrapper {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-options {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.icon-option {
    min-width: 32px;
    height: 28px;
    padding: 0 8px;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.85rem;
    font-weight: 500;
}

.icon-option:hover {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}

.icon-option.selected {
    border-color: var(--accent-gold);
    background: rgba(99, 102, 241, 0.15);
}

/* Color Picker */
.color-picker-wrapper {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.picker-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.color-options {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.color-option {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.color-option:hover {
    transform: scale(1.15);
}

.color-option.selected {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--bg-tertiary);
}

.color-option.selected::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

/* ==========================================
   Sidebar Footer
   ========================================== */

.sidebar-footer {
    padding: 16px 24px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.sidebar-footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 12px;
}

.reset-btn {
    width: 100%;
    padding: 10px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.reset-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--accent-coral);
}

/* ==========================================
   Map
   ========================================== */

.map-wrapper {
    flex: 1;
    position: relative;
    height: 100vh;
}

#map {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
}

/* Leaflet Customization */
.leaflet-container {
    font-family: 'Noto Sans KR', sans-serif;
}

.leaflet-popup-content-wrapper {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px var(--shadow-color);
    border: 1px solid var(--border-color);
}

.leaflet-popup-content {
    margin: 16px;
}

/* 팝업 화살표 숨김 */
.leaflet-popup-tip {
    display: none !important;
}

.leaflet-popup-tip-container {
    display: none !important;
}

.leaflet-popup-close-button {
    color: var(--text-secondary) !important;
    font-size: 20px !important;
    padding: 8px !important;
    right: 12px !important;
    top: 6px !important;
}

.leaflet-popup-close-button:hover {
    color: var(--text-primary) !important;
}

/* Leaflet Controls Theming */
.leaflet-control-zoom a,
.leaflet-control-location button {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

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

.leaflet-control-attribution {
    background: var(--bg-secondary) !important;
    color: var(--text-muted) !important;
}

.leaflet-control-attribution a {
    color: var(--text-secondary) !important;
}

.popup-content {
    min-width: 180px;
}

.popup-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.popup-title-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.popup-title-link:hover {
    color: var(--accent-gold);
    text-decoration: underline;
}

.popup-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.popup-list-badge {
    display: inline-block;
    margin-top: 10px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--bg-primary);
}

/* School Info Badges */
.school-info {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.school-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.school-badge.male {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.school-badge.female {
    background: rgba(236, 72, 153, 0.2);
    color: #f472b6;
}

.school-badge.coed {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
}

.school-badge.students {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.school-badge.rate {
    background: rgba(251, 191, 36, 0.2);
    color: #fbbf24;
}

.school-badge.found {
    background: rgba(156, 163, 175, 0.2);
    color: #9ca3af;
}

.school-badge.general {
    background: rgba(75, 85, 99, 0.3);
    color: #d1d5db;
}

.school-badge.autonomous {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.school-badge.special {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.school-badge.vocational {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

/* Light mode school badge overrides */
[data-theme="light"] .school-badge.general {
    background: rgba(75, 85, 99, 0.15);
    color: #4b5563;
}

[data-theme="light"] .school-badge.found {
    background: rgba(156, 163, 175, 0.2);
    color: #6b7280;
}

[data-theme="light"] .school-badge.autonomous {
    background: rgba(245, 158, 11, 0.15);
    color: #b45309;
}

[data-theme="light"] .school-badge.special {
    background: rgba(59, 130, 246, 0.15);
    color: #2563eb;
}

[data-theme="light"] .school-badge.vocational {
    background: rgba(16, 185, 129, 0.15);
    color: #059669;
}

[data-theme="light"] .school-badge.male {
    background: rgba(59, 130, 246, 0.15);
    color: #2563eb;
}

[data-theme="light"] .school-badge.female {
    background: rgba(236, 72, 153, 0.15);
    color: #db2777;
}

[data-theme="light"] .school-badge.coed {
    background: rgba(139, 92, 246, 0.15);
    color: #7c3aed;
}

[data-theme="light"] .school-badge.students {
    background: rgba(34, 197, 94, 0.15);
    color: #16a34a;
}

[data-theme="light"] .school-badge.rate {
    background: rgba(251, 191, 36, 0.15);
    color: #d97706;
}

/* Achievement Info */
.achievement-info {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.achievement-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.achievement-subject {
    display: grid;
    grid-template-columns: 28px 36px 1fr;
    align-items: center;
    gap: 6px;
    margin-bottom: 5px;
}

.subject-name {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.subject-avg {
    font-size: 0.72rem;
    font-weight: 700;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.subject-avg.high {
    color: #34d399;
}

.subject-avg.mid {
    color: #fbbf24;
}

.subject-avg.low {
    color: #f87171;
}

.grade-bar {
    display: flex;
    height: 14px;
    border-radius: 3px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.grade-bar > div {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.7);
    min-width: 0;
}

.grade-a {
    background: #34d399;
}

.grade-b {
    background: #60a5fa;
}

.grade-c {
    background: #fbbf24;
}

.grade-d {
    background: #fb923c;
}

.grade-e {
    background: #f87171;
}

/* Light mode achievement overrides */
[data-theme="light"] .subject-avg.high {
    color: #059669;
}

[data-theme="light"] .subject-avg.mid {
    color: #d97706;
}

[data-theme="light"] .subject-avg.low {
    color: #dc2626;
}

[data-theme="light"] .grade-bar > div {
    color: rgba(0, 0, 0, 0.6);
}

/* Kakao Map Link */
.popup-kakao-link {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    padding: 8px 12px;
    background: #fee500;
    color: #191919;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.popup-kakao-link:hover {
    background: #fada0a;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(254, 229, 0, 0.4);
}

.popup-kakao-link .kakao-icon {
    font-size: 1rem;
}

/* Custom Marker */
.custom-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    transition: all var(--transition-fast);
}

.custom-marker:hover {
    transform: rotate(-45deg) scale(1.1);
}

.custom-marker::after {
    content: '';
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    transform: rotate(45deg);
}

/* Subway Marker - Simple Circle */
.subway-marker-wrapper {
    background: transparent !important;
}

.subway-marker {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.9);
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    transition: all var(--transition-fast);
}

.subway-marker:hover {
    transform: scale(1.2);
}

/* Transfer Station - Bold Circle */
.subway-marker.transfer {
    width: 18px;
    height: 18px;
    border: 4px solid rgba(255,255,255,1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

/* Train Station Marker - Square */
.train-marker-wrapper {
    background: transparent !important;
}

.train-marker {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    border: 2px solid rgba(255,255,255,0.9);
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    transition: all var(--transition-fast);
}

.train-marker:hover {
    transform: scale(1.2);
}

/* Emoji Marker */
.emoji-marker-wrapper,
.school-marker-wrapper {
    background: transparent !important;
}

.emoji-marker,
.school-marker {
    font-size: 24px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: all var(--transition-fast);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.emoji-marker:hover,
.school-marker:hover {
    transform: scale(1.2);
}

/* Text Marker - Korean/Hanja */
.text-marker-wrapper {
    background: transparent !important;
}

.text-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.9);
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    font-size: 14px;
    font-weight: 700;
    color: white;
    transition: all var(--transition-fast);
}

.text-marker:hover {
    transform: scale(1.2);
}

/* Cluster Marker */
.custom-cluster-wrapper {
    background: transparent !important;
}

.cluster-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
    font-weight: 600;
    font-family: 'Noto Sans KR', sans-serif;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    border: 3px solid rgba(255,255,255,0.8);
    transition: all var(--transition-fast);
}

.cluster-marker:hover {
    transform: scale(1.1);
}

.cluster-marker span {
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.cluster-small {
    width: 36px;
    height: 36px;
    font-size: 12px;
}

.cluster-medium {
    width: 44px;
    height: 44px;
    font-size: 14px;
}

.cluster-large {
    width: 52px;
    height: 52px;
    font-size: 16px;
}

/* Hide default markercluster styles */
.marker-cluster-small,
.marker-cluster-medium,
.marker-cluster-large {
    background: transparent !important;
}

.marker-cluster div {
    background: transparent !important;
}

/* Location Control */
.leaflet-control-location {
    margin-top: 10px !important;
}

.location-button {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--bg-secondary) !important;
    border: none !important;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.location-button:hover {
    background: var(--bg-hover) !important;
}

.location-button svg {
    width: 18px;
    height: 18px;
    stroke: var(--text-primary);
}

/* ==========================================
   Mobile Toggle
   ========================================== */

.mobile-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 700;
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-fast);
}

.mobile-toggle:hover {
    background: var(--bg-tertiary);
}

.hamburger {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    left: 0;
    transition: all var(--transition-fast);
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

.mobile-toggle.active .hamburger {
    background: transparent;
}

.mobile-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ==========================================
   Overlay
   ========================================== */

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 95;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-medium);
}

.overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* ==========================================
   Loading State
   ========================================== */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-hover);
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

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

/* ==========================================
   Region Selection Modal
   ========================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    backdrop-filter: blur(8px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 32px;
    max-width: 420px;
    width: 90%;
    border: 1px solid var(--border-color);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-slow);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.modal-icon {
    font-size: 2rem;
}

.modal-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 28px;
}

.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 10px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.modal-btn-primary {
    background: var(--accent-gold);
    color: white;
}

.modal-btn-primary:hover {
    background: var(--accent-copper);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.modal-btn-secondary {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.modal-btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent-teal);
    transform: translateY(-1px);
}

.modal-btn .btn-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.modal-btn .btn-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.modal-btn .btn-text strong {
    font-size: 1rem;
    font-weight: 600;
}

.modal-btn .btn-text small {
    font-size: 0.8rem;
    opacity: 0.8;
}

.modal-skip {
    width: 100%;
    margin-top: 20px;
    padding: 12px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-skip:hover {
    color: var(--text-secondary);
}

/* ==========================================
   Region Filter
   ========================================== */

.region-filter {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

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

.region-filter-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.region-toggle-btn {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.region-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    transition: max-height var(--transition-medium);
}

.region-chips.collapsed {
    max-height: 0;
    overflow: hidden;
    margin-top: 0;
}

.region-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.region-chip:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.region-chip.active {
    background: var(--accent-teal);
    border-color: var(--accent-teal);
    color: var(--bg-primary);
}

.region-chip .region-count {
    font-size: 0.7rem;
    opacity: 0.7;
}

.region-chip.active .region-count {
    opacity: 1;
}

.region-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.region-action-btn {
    flex: 1;
    padding: 8px 12px;
    font-size: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.region-action-btn.active {
    background: var(--accent-teal);
    color: var(--bg-primary);
    border-color: var(--accent-teal);
}

/* ==========================================
   Responsive - Tablet
   ========================================== */

@media (max-width: 1024px) {
    :root {
        --sidebar-width: 320px;
    }
}

/* ==========================================
   Responsive - Mobile
   ========================================== */

@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
        --header-height: 60px;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 85%;
        max-width: 360px;
        transform: translateX(-100%);
        box-shadow: 8px 0 32px var(--shadow-color);
        z-index: 600;
    }

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

    .sidebar.open .sidebar-toggle {
        display: flex;
    }

    .sidebar.open ~ .mobile-toggle {
        display: none;
    }

    .overlay {
        display: block;
        z-index: 550;
    }

    .mobile-toggle {
        display: flex;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .sidebar-content {
        padding: 20px;
    }

    .pin-list-item {
        padding: 14px;
    }

    .list-title {
        font-size: 0.95rem;
    }

    /* Adjust map controls for mobile */
    .leaflet-top.leaflet-left {
        top: 70px;
    }

    /* Hide map controls when sidebar is open */
    body.sidebar-open .leaflet-control-zoom,
    body.sidebar-open .leaflet-control-location {
        display: none;
    }
}

/* ==========================================
   Responsive - Small Mobile
   ========================================== */

@media (max-width: 400px) {
    .sidebar {
        width: 100%;
        max-width: none;
    }

    .sidebar-header {
        padding: 0 16px;
    }

    .sidebar-content {
        padding: 16px;
    }

    .icon-picker-wrapper,
    .color-picker-wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* ==========================================
   Accessibility
   ========================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
.pin-list-item:focus-visible,
.checkbox-wrapper input:focus-visible + .checkmark,
.icon-option:focus-visible,
.color-option:focus-visible,
.mobile-toggle:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}