/* ==========================================
   AUGMENTUM MVP - Production Styles
   Mobile-First, High Contrast, Cycling-Optimized
   ========================================== */

/* CSS Variables */
:root {
    /* Colors - Light theme matching Figma */
    --primary-dark: #000000;
    --primary-light: #ffffff;
    --primary-gray: #f5f5f5;
    --secondary-gray: #e0e0e0;
    --accent-green: #00d084;
    --accent-green-light: #e6fff5;
    --accent-blue: #0066ff;
    --primary-blue: #0066ff; /* For legacy compatibility */
    --accent-yellow: #fbbf24;
    --accent-red: #ff3b30;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --border-color: #e0e0e0;
    --overlay-bg: rgba(255, 255, 255, 0.95);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography - Optimized for glances */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ==========================================
   BASE STYLES
   ========================================== */

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--primary-light);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    line-height: 1.5;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* ==========================================
   APP CONTAINER
   ========================================== */

.app-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.screen {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    background-color: var(--primary-light);
    opacity: 0;
    transform: translateX(100%);
    transition: transform var(--transition-base), opacity var(--transition-base);
    pointer-events: none;
}

.screen.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.screen.exit-left {
    transform: translateX(-100%);
}

/* ==========================================
   HEADER
   ========================================== */

.screen-header {
    flex-shrink: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 60px;
    border-bottom: 1px solid var(--border-color);
}

.back-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.back-btn:active {
    background-color: rgba(255, 255, 255, 0.1);
}

.screen-title {
    flex: 1;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* ==========================================
   CONTENT AREAS
   ========================================== */

.screen-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

.content-padded {
    padding: var(--spacing-md);
}

.screen-footer {
    flex-shrink: 0;
    padding: var(--spacing-md);
    background-color: var(--primary-light);
    border-top: 1px solid var(--border-color);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    min-height: 48px;
    width: 100%;
}

.btn-primary {
    background-color: var(--primary-dark);
    color: var(--primary-light);
}

.btn-primary:active {
    background-color: #333333;
    transform: scale(0.98);
}

.btn-success {
    background-color: var(--accent-green);
    color: var(--primary-light);
}

.btn-success:active {
    background-color: #00b872;
    transform: scale(0.98);
}

.btn-danger {
    background-color: var(--accent-red);
    color: var(--text-primary);
}

.btn-danger:active {
    background-color: #dc2626;
    transform: scale(0.98);
}

.btn-secondary {
    background-color: var(--primary-gray);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:active {
    background-color: var(--secondary-gray);
    transform: scale(0.98);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    min-height: 56px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================
   FORMS
   ========================================== */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    background-color: var(--primary-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    min-height: 48px;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.form-input::placeholder {
    color: var(--text-secondary);
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

/* ==========================================
   SEARCH BAR
   ========================================== */

.search-bar {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 3rem;
    font-size: var(--font-size-lg);
    background-color: var(--primary-light);
    border: 2px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-primary);
    min-height: 56px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
}

/* ==========================================
   LISTS
   ========================================== */

.list {
    list-style: none;
}

.list-item {
    padding: var(--spacing-md);
    background-color: var(--primary-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.list-item:active {
    background-color: var(--primary-gray);
}

.list-item-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.list-item-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ==========================================
   CARDS
   ========================================== */

.card {
    background-color: var(--primary-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.card-content {
    color: var(--text-secondary);
}

/* ==========================================
   BADGES & TAGS
   ========================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
}

.badge-warning {
    background-color: rgba(251, 191, 36, 0.2);
    color: var(--accent-yellow);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}

.badge-info {
    background-color: rgba(0, 208, 132, 0.2);
    color: var(--accent-green);
}

/* ==========================================
   STATS DISPLAY
   ========================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--primary-gray);
    border-radius: var(--radius-md);
}

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

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* ==========================================
   MAP CONTAINER
   ========================================== */

.map-container {
    width: 100%;
    height: 300px;
    background-color: var(--primary-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    position: relative;
    border: 1px solid var(--border-color);
}

#map {
    width: 100%;
    height: 100%;
}

.map-overlay {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    background-color: var(--overlay-bg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

/* ==========================================
   OVERLAYS & MODALS
   ========================================== */

.loading-overlay,
.permission-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--overlay-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(10px);
}

.loading-overlay.hidden,
.permission-overlay.hidden {
    display: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--accent-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
}

.permission-content {
    background-color: var(--primary-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    max-width: 400px;
    margin: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--border-color);
}

.permission-content h2 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.permission-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.permission-note {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-md) !important;
}

/* ==========================================
   ERROR TOAST
   ========================================== */

.error-toast {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--accent-red);
    color: var(--text-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    z-index: 10000;
    animation: slideUp 0.3s ease;
}

.error-toast.hidden {
    display: none;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ==========================================
   RIDE ACTIVE SCREEN - SPECIAL STYLES
   ========================================== */

.ride-active-screen {
    background-color: var(--primary-dark);
}

.ride-stats-large {
    text-align: center;
    padding: var(--spacing-xl);
}

.ride-stat-huge {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--accent-green);
}

.haptic-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    font-size: 4rem;
}

.haptic-indicator.active {
    animation: pulse 0.5s ease;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.instruction-content {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.instruction-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-lg);
}

.instruction-list {
    text-align: left;
    margin: var(--spacing-lg) 0;
}

.instruction-list li {
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--border-color);
}

/* ==========================================
   PRESET BUTTONS
   ========================================== */

.preset-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.preset-btn {
    flex: 1;
    padding: var(--spacing-md);
    background-color: var(--primary-light);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.preset-btn.active {
    border-color: var(--primary-dark);
    background-color: var(--primary-dark);
    color: var(--primary-light);
}

.preset-btn:active {
    transform: scale(0.98);
}

.preset-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

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

/* ==========================================
   RATING INPUTS
   ========================================== */

.rating-options {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.rating-btn {
    width: 60px;
    height: 60px;
    font-size: var(--font-size-2xl);
    background-color: var(--primary-gray);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rating-btn.selected {
    border-color: var(--primary-dark);
    background-color: var(--primary-dark);
    color: var(--primary-light);
}

.star-rating {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.star {
    font-size: var(--font-size-2xl);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.star.active {
    color: var(--accent-yellow);
}

/* ==========================================
   CHECKBOX LIST
   ========================================== */

.checkbox-list {
    list-style: none;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background-color: var(--primary-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.checkbox-label {
    flex: 1;
    cursor: pointer;
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.hidden {
    display: none !important;
}

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

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

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }

/* ==========================================
   RESPONSIVE ADJUSTMENTS
   ========================================== */

@media (min-width: 768px) {
    .app-container {
        max-width: 430px;
        margin: 0 auto;
        box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    }
}

/* ==========================================
   SAFE AREA INSETS (for notched devices)
   ========================================== */

@supports (padding-top: env(safe-area-inset-top)) {
    .screen-header {
        padding-top: max(var(--spacing-sm), env(safe-area-inset-top));
    }
    
    .screen-footer {
        padding-bottom: max(var(--spacing-md), env(safe-area-inset-bottom));
    }
}