/* StormHaven - Emergency Shelter Finder */
/* Design System Tokens */

:root {
    /* Colors - Emergency Safety Palette */
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #4a90e8;
    
    --success: #0d9f6e;
    --success-light: #def7ec;
    
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #d97706;
    
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --danger-dark: #b91c1c;
    
    /* Neutrals */
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-base: 15px;
    --font-size-lg: 17px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.15);
}

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

body {
    font-family: var(--font-family);
    background: #1a1a2e;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-lg);
}

/* Phone Frame */
.phone-frame {
    width: 100%;
    max-width: 390px;
    height: 844px;
    background: #000;
    border-radius: 50px;
    padding: 12px;
    box-shadow: 
        0 0 0 2px #333,
        0 25px 50px -12px rgba(0,0,0,0.5);
}

.app-container {
    width: 100%;
    height: 100%;
    background: var(--bg);
    border-radius: 40px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Status Bar */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-lg);
    padding-top: var(--space-md);
    background: var(--surface);
    z-index: 100;
}

.time {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.status-icons {
    display: flex;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
}

/* Alert Banner */
.alert-banner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--warning-light);
    border-bottom: 2px solid var(--warning);
}

.alert-banner.danger {
    background: var(--danger-light);
    border-bottom-color: var(--danger);
}

.alert-icon {
    font-size: var(--font-size-xl);
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--warning-dark);
    letter-spacing: 0.5px;
}

.alert-banner.danger .alert-title {
    color: var(--danger-dark);
}

.alert-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

.alert-action {
    background: var(--primary);
    color: var(--text-inverse);
    border: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.alert-action:hover {
    background: var(--primary-dark);
}

/* Main Content */
.main-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Map Container */
.map-container {
    flex: 1;
    position: relative;
    min-height: 200px;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e8f0fe 0%, #d4e4f7 100%);
    position: relative;
    overflow: hidden;
}

.map-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
    background-size: 30px 30px;
}

/* Shelter Markers */
.shelter-marker {
    position: absolute;
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: all 0.2s;
}

.shelter-marker:hover {
    transform: translate(-50%, -50%) scale(1.1);
    z-index: 10;
}

.shelter-marker.primary .marker-icon {
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.3);
}

.marker-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--surface);
    border-radius: var(--radius-full);
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--surface);
}

.marker-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

/* User Marker */
.user-marker {
    position: absolute;
    transform: translate(-50%, -50%);
    z-index: 5;
}

.user-pulse {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(26, 115, 232, 0.2);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s ease-out infinite;
}

.user-dot {
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 3px solid var(--surface);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

/* Shelter List */
.shelter-list {
    background: var(--surface);
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    padding: var(--space-md);
    margin-top: -16px;
    position: relative;
    z-index: 10;
    max-height: 50%;
    overflow-y: auto;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.list-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--bg);
    border: 1px solid var(--border);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

/* Shelter Card */
.shelter-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.shelter-card:hover {
    background: var(--border-light);
}

.shelter-card.featured {
    background: linear-gradient(135deg, #e8f0fe 0%, #fff 100%);
    border: 2px solid var(--primary);
}

.shelter-badge {
    position: absolute;
    top: -8px;
    left: var(--space-md);
    background: var(--primary);
    color: var(--text-inverse);
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    letter-spacing: 0.5px;
}

.shelter-info {
    display: flex;
    gap: var(--space-md);
    flex: 1;
}

.shelter-icon {
    font-size: 28px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.shelter-details h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 2px;
}

.shelter-type {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-xs);
}

.shelter-meta {
    display: flex;
    gap: var(--space-md);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.shelter-meta .status {
    font-weight: 600;
}

.shelter-meta .status.open {
    color: var(--success);
}

.shelter-meta .status.warning {
    color: var(--warning-dark);
}

.go-btn {
    background: var(--primary);
    color: var(--text-inverse);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.go-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* Emergency Overlay */
.emergency-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #7f1d1d 0%, #dc2626 50%, #ef4444 100%);
    z-index: 200;
    display: none;
    flex-direction: column;
    padding: var(--space-lg);
    padding-top: var(--space-2xl);
    color: var(--text-inverse);
}

.emergency-overlay.active {
    display: flex;
}

.emergency-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.emergency-alert {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255,255,255,0.2);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
}

.pulse-dot {
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    animation: emergency-pulse 1s ease-in-out infinite;
}

@keyframes emergency-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.emergency-text {
    font-size: var(--font-size-lg);
    font-weight: 800;
    letter-spacing: 1px;
}

.emergency-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 500;
    opacity: 0.9;
}

.emergency-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.direction-compass {
    text-align: center;
}

.compass-arrow {
    font-size: 64px;
    animation: bounce 1s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.direction-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: 2px;
    margin-top: var(--space-sm);
}

.emergency-shelter-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

.shelter-icon-large {
    font-size: 48px;
    margin-bottom: var(--space-sm);
}

.emergency-shelter-card h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.emergency-shelter-card .address {
    opacity: 0.8;
    margin-top: var(--space-xs);
}

.emergency-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-md);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.stat-label {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.action-buttons {
    display: flex;
    gap: var(--space-md);
}

.action-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-inverse);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn.primary {
    background: var(--surface);
    color: var(--danger);
}

.action-btn:hover {
    transform: scale(1.02);
}

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

.storm-eta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: rgba(0,0,0,0.2);
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.eta-icon {
    font-size: 32px;
}

.eta-text {
    flex: 1;
}

.eta-label {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    text-transform: uppercase;
}

.eta-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.eta-message {
    font-size: var(--font-size-sm);
    font-weight: 600;
    background: rgba(255,255,255,0.2);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
}

.close-emergency {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.5);
    color: var(--text-inverse);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    margin-top: auto;
}

/* Shelter Detail Modal */
.shelter-detail-modal {
    position: absolute;
    inset: 0;
    background: var(--surface);
    z-index: 150;
    display: none;
    flex-direction: column;
}

.shelter-detail-modal.active {
    display: flex;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    padding-top: var(--space-xl);
    border-bottom: 1px solid var(--border);
}

.back-btn, .share-btn, .reset-btn {
    background: none;
    border: none;
    font-size: var(--font-size-base);
    color: var(--primary);
    cursor: pointer;
    font-weight: 500;
}

.modal-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

.detail-hero {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.detail-icon {
    font-size: 56px;
    margin-bottom: var(--space-md);
}

.detail-hero h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.detail-badge {
    display: inline-block;
    background: var(--success-light);
    color: var(--success);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.detail-section {
    margin-bottom: var(--space-lg);
}

.detail-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.detail-icon-sm {
    font-size: var(--font-size-lg);
}

.detail-divider {
    height: 1px;
    background: var(--border);
    margin: var(--space-lg) 0;
}

.detail-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.spec-item {
    padding: var(--space-md);
    background: var(--bg);
    border-radius: var(--radius-md);
}

.spec-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-xs);
}

.spec-value {
    font-size: var(--font-size-base);
    font-weight: 600;
}

.verification-section {
    text-align: center;
    padding: var(--space-md);
    background: var(--bg);
    border-radius: var(--radius-md);
}

.verification-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.checkin-count {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

.detail-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.detail-action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.detail-action-btn.primary {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: var(--primary);
}

/* Filter Modal */
.filter-modal {
    position: absolute;
    inset: 0;
    background: var(--surface);
    z-index: 150;
    display: none;
    flex-direction: column;
}

.filter-modal.active {
    display: flex;
}

.filter-modal .modal-header h2 {
    flex: 1;
    text-align: center;
    font-size: var(--font-size-lg);
}

.filter-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

.filter-group {
    margin-bottom: var(--space-xl);
}

.filter-group h3 {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.filter-chip {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.filter-chip:has(input:checked),
.filter-chip.active {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: var(--primary);
}

.filter-chip input {
    display: none;
}

.range-slider {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.range-slider input[type="range"] {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: var(--radius-full);
    appearance: none;
}

.range-slider input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
}

.range-value {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.apply-filters-btn {
    width: 100%;
    padding: var(--space-md);
    background: var(--primary);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    margin-top: var(--space-lg);
}

/* Toast */
.toast {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: var(--text-inverse);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    transition: all 0.3s;
    z-index: 300;
}

.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Bottom Navigation */
.bottom-nav {
    display: flex;
    justify-content: space-around;
    padding: var(--space-sm) var(--space-md);
    padding-bottom: var(--space-lg);
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: none;
    border: none;
    padding: var(--space-sm);
    cursor: pointer;
    color: var(--text-tertiary);
    position: relative;
    transition: all 0.2s;
}

.nav-item.active {
    color: var(--primary);
}

.nav-icon {
    font-size: 22px;
}

.nav-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.nav-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger);
    color: var(--text-inverse);
    font-size: 10px;
    font-weight: 700;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Responsive */
@media (max-width: 430px) {
    body {
        padding: 0;
    }
    
    .phone-frame {
        max-width: 100%;
        height: 100vh;
        border-radius: 0;
        padding: 0;
    }
    
    .app-container {
        border-radius: 0;
    }
}