:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --background-color: #ffffff;
    --surface-color: #f8fafc;
    --text-color: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #94a3b8;
    --background-color: #0f172a;
    --surface-color: #1e293b;
    --text-color: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

[data-theme="high-contrast"] {
    --primary-color: #0066cc;
    --primary-hover: #0052a3;
    --secondary-color: #666666;
    --background-color: #ffffff;
    --surface-color: #ffffff;
    --text-color: #000000;
    --text-secondary: #333333;
    --border-color: #000000;
    --success-color: #008000;
    --warning-color: #ff8000;
    --error-color: #cc0000;
    --shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 16px 0 rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-width: 0; /* Allow flex items to shrink */
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0; /* Allow flex items to shrink */
    flex: 1;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}

.room-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.1rem;
}

.room-title {
    font-weight: 600;
    color: var(--text-color);
}

.mobile-user-count {
    display: none; /* Hidden by default, shown on mobile */
    background: var(--primary-color);
    color: white;
    border-radius: 16px;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
    cursor: help; /* Indicate it's informational */
}

.user-count-icon {
    font-size: 0.875rem;
}

.user-count-number {
    font-weight: 700;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.connection-status,
.participants-count {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.connection-status .status-icon {
    color: var(--success-color);
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.share-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.theme-toggle {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--surface-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.theme-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    width: 100%;
}

/* Main content layout - side by side on desktop */
.content-wrapper {
    display: grid;
    grid-template-columns: minmax(300px, 35%) 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    min-width: 0; /* Allow grid items to shrink */
}

.input-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-row {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.name-input-container,
.location-input-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-label {
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.875rem;
}

.name-input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--surface-color);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.name-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.location-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
}

.location-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--surface-color);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.location-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.location-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s ease;
    align-self: flex-start; /* Don't stretch full width */
}

.location-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.map-container {
    height: 100%;
    min-height: 400px;
    min-width: 0; /* Allow shrinking */
    overflow: hidden; /* Prevent overflow */
}

.participants-section {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
}

.participants-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
}

.participants-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.expand-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    transition: transform 0.2s ease;
}

.expand-toggle:hover {
    color: var(--text-color);
}

.expand-toggle.expanded .expand-icon {
    transform: rotate(180deg);
}

.participants-list {
    padding: 1rem 1.5rem;
    display: none; /* Start collapsed by default */
}

.participants-empty {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-align: center;
    margin: 0;
}

.participant-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.participant-item:last-child {
    border-bottom: none;
}

.participant-name {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.current-participant .participant-name {
    color: var(--primary-color);
}

.participant-locations {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.participant-location {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.participant-location.empty {
    font-style: italic;
    opacity: 0.7;
}

.pois-section {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-top: 1rem;
    overflow: hidden;
}

.pois-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
}

.pois-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.pois-list {
    padding: 1rem 1.5rem;
    display: none; /* Start collapsed by default */
}

.pois-empty {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-align: center;
    margin: 0;
}

.poi-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0.375rem;
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.poi-item:hover {
    background-color: var(--surface-color, #f8fafc);
}

.poi-info {
    flex: 1;
}

.poi-name {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.poi-address {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.poi-details {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.poi-rating {
    color: var(--warning-color);
}

.poi-price {
    color: var(--success-color);
}

.poi-actions {
    display: flex;
    gap: 0.5rem;
}

.poi-link {
    padding: 0.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.poi-link:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.room-header {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.room-title {
    width: 100%;
    font-size: 1.25rem;
    font-weight: 600;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 0.375rem;
    border: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.room-title:focus {
    outline: none;
    border-color: var(--primary-color);
}

.room-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.room-url {
    font-family: 'Monaco', 'Menlo', monospace;
    background-color: var(--background-color);
    padding: 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.copy-url {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--surface-color);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.copy-url:hover {
    background-color: var(--primary-color);
    color: white;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.users-section,
.map-section,
.pois-section {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

.pois-section {
    grid-column: 1 / -1;
    margin-top: 2rem;
}

/* Map styles */
.map {
    width: 100%;
    height: 100%;
    min-height: 400px;
    max-width: 100%; /* Prevent overflow */
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--background-color);
    box-sizing: border-box; /* Include border in width calculation */
}

.users-section h2,
.map-section h2,
.pois-section h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
}

.user-item {
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: var(--background-color);
}

.current-user {
    border-color: var(--primary-color);
}

.user-name {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--surface-color);
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.user-name:focus {
    outline: none;
    border-color: var(--primary-color);
}

.user-locations {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.location-item {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.location-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 0.875rem;
}

.location-btn:hover {
    background-color: var(--primary-hover);
}

.location-input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--surface-color);
    color: var(--text-color);
}

.location-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.add-location-btn {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--success-color);
    color: white;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.add-location-btn:hover {
    background-color: #059669;
}

.midpoint-info {
    text-align: center;
    padding: 2rem;
}

.midpoint-status {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.midpoint-coords {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--background-color);
    border-radius: 0.375rem;
    border: 1px solid var(--border-color);
}

.coords-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.coords-value {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    color: var(--text-color);
    display: block;
    margin-top: 0.25rem;
}

.pois-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.pois-filters {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 0 1.5rem;
}

.category-filter {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--surface-color);
    color: var(--text-color);
    margin-right: .5rem;;
}

.open-now-filter {
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pois-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.category-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.category-section {
    margin-bottom: 1.5rem;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    cursor: pointer;
}

.category-header h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.category-header span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.pois-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 2rem;
}

.poi-item {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.poi-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.poi-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.poi-address {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.poi-details {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
}

.poi-rating {
    color: var(--warning-color);
}

.poi-price {
    color: var(--success-color);
}

.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
}

.toast {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    animation: toast-slide-in 0.3s ease;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--error-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

@keyframes toast-slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Medium screens - adjust layout before mobile breakpoint */
@media (max-width: 980px) and (min-width: 769px) {
    .content-wrapper {
        grid-template-columns: minmax(280px, 40%) 1fr;
        gap: 1.5rem;
    }
    
    .main {
        padding: 1rem 0.75rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 0.5rem;
        gap: 0.5rem;
    }
    
    .header-left {
        gap: 0.5rem;
        min-width: 0;
    }
    
    .header-right {
        gap: 0.25rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .room-info {
        display: none; /* Hide room info on mobile to save space */
    }
    
    .mobile-user-count {
        display: flex; /* Show user count pill on mobile */
    }
    
    /* Hide text labels on smaller buttons for mobile */
    .share-text,
    .participants-text,
    .status-text {
        display: none;
    }
    
    /* Hide redundant participants count since we have the pill */
    .participants-count {
        display: none;
    }
    
    .connection-status {
        font-size: 0.75rem;
    }
    
    .main {
        padding: 0.5rem;
    }
    
    /* Stack inputs above map on mobile */
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .input-section {
        order: 1;
    }
    
    /* Keep location input and button on same line on mobile */
    .location-input-wrapper {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .location-input {
        flex: 1;
    }
    
    .location-btn {
        align-self: auto;
        flex-shrink: 0;
    }
    
    .map-container {
        order: 2;
        min-height: 300px;
    }
    
    .map {
        min-height: 300px;
    }
    
    .participants-section,
    .pois-section {
        margin-top: 1rem;
    }
    
    .participants-header {
        padding: 1rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .room-header {
        padding: 1rem;
    }
    
    .room-url {
        width: 100%;
    }
    
    .pois-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 1rem;
    }
    
    .pois-filters {
        width: 100%;
        justify-content: space-between;
    }
    
    .pois-list {
        grid-template-columns: 1fr;
    }
    
    .toast-container {
        top: auto;
        bottom: 1rem;
        left: 0.5rem;
        right: 0.5rem;
    }
    
    .toast {
        min-width: auto;
    }
    
    /* Update animation for bottom positioning on mobile */
    @keyframes toast-slide-in {
        from {
            transform: translateY(100%);
            opacity: 0;
        }
        to {
            transform: translateY(0);
            opacity: 1;
        }
    }
}

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

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }
}