/* ===== Source: mobile.css (moved from static/css/mobile.css) ===== */
/* 
 * Phase 7 Mobile-First CSS - Caravel PMS PWA
 * Mobile-optimized styles for touch interfaces
 */

/* ==========================================================================
   Mobile-First Base Styles
   ========================================================================== */

/* Touch-friendly sizing */
:root {
    --touch-target-size: 44px;
    --mobile-padding: 16px;
    --mobile-margin: 12px;
    --border-radius-mobile: 12px;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced touch targets */
button, 
.btn, 
.nav-link, 
.card-clickable,
input[type="submit"],
input[type="button"],
.touch-target {
    min-height: var(--touch-target-size);
    min-width: var(--touch-target-size);
    padding: 12px 16px;
    border-radius: var(--border-radius-mobile);
    transition: all var(--transition-smooth);
}

/* Enhanced feedback for touch interactions */
button:active,
.btn:active,
.nav-link:active,
.card-clickable:active {
    transform: scale(0.98);
    transition: transform var(--transition-fast);
}

/* ==========================================================================
   Mobile Navigation
   ========================================================================== */

/* Bottom navigation for mobile */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid #e5e7eb;
    padding: 8px 0 env(safe-area-inset-bottom, 8px);
    z-index: 100;
    display: none;
}

.mobile-bottom-nav .nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.mobile-bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 12px;
    color: #6b7280;
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-smooth);
    min-width: 60px;
}

.mobile-bottom-nav .nav-item.active {
    color: #2563eb;
    background: #eff6ff;
}

.mobile-bottom-nav .nav-item i {
    font-size: 20px;
    margin-bottom: 4px;
}

.mobile-bottom-nav .nav-item span {
    font-size: 11px;
    font-weight: 500;
}

/* Hide desktop sidebar on mobile */
@media (max-width: 768px) {
    .desktop-sidebar {
        display: none;
    }
    
    .mobile-bottom-nav {
        display: block;
    }
    
    .main-content {
        padding-bottom: 80px; /* Space for bottom nav */
    }
}

/* ==========================================================================
   Mobile Cards & Components
   ========================================================================== */

/* Mobile-optimized cards */
.mobile-card {
    background: white;
    border-radius: var(--border-radius-mobile);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: var(--mobile-margin);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.mobile-card:active {
    transform: scale(0.99);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.mobile-card-header {
    padding: var(--mobile-padding);
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-card-body {
    padding: var(--mobile-padding);
}

.mobile-card-footer {
    padding: var(--mobile-padding);
    background: #f9fafb;
    border-top: 1px solid #f3f4f6;
}

/* ==========================================================================
   Mobile Forms
   ========================================================================== */

/* Touch-friendly form inputs */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="date"],
input[type="time"],
select,
textarea {
    min-height: var(--touch-target-size);
    padding: 12px 16px;
    border-radius: var(--border-radius-mobile);
    border: 2px solid #e5e7eb;
    font-size: 16px; /* Prevent zoom on iOS */
    transition: all var(--transition-smooth);
}

input:focus,
select:focus,
textarea:focus {
    border-color: #2563eb;
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Mobile form groups */
.form-group-mobile {
    margin-bottom: 20px;
}

.form-group-mobile label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #374151;
}

/* ==========================================================================
   Mobile Dashboard
   ========================================================================== */

/* Mobile dashboard grid */
.mobile-dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--mobile-margin);
    padding: var(--mobile-padding);
}

@media (min-width: 640px) {
    .mobile-dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile KPI cards */
.mobile-kpi-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: var(--border-radius-mobile);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mobile-kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.mobile-kpi-card .kpi-icon {
    font-size: 2rem;
    margin-bottom: 8px;
    opacity: 0.8;
}

.mobile-kpi-card .kpi-value {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 4px;
}

.mobile-kpi-card .kpi-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ==========================================================================
   Mobile Lists & Tables
   ========================================================================== */

/* Mobile-optimized lists */
.mobile-list {
    background: white;
    border-radius: var(--border-radius-mobile);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.mobile-list-item {
    padding: var(--mobile-padding);
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    align-items: center;
    transition: background-color var(--transition-smooth);
}

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

.mobile-list-item:active {
    background-color: #f9fafb;
}

.mobile-list-item .item-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    font-size: 18px;
}

.mobile-list-item .item-content {
    flex: 1;
}

.mobile-list-item .item-title {
    font-weight: 500;
    margin-bottom: 2px;
}

.mobile-list-item .item-subtitle {
    font-size: 0.9rem;
    color: #6b7280;
}

.mobile-list-item .item-action {
    padding: 8px;
    color: #6b7280;
}

/* ==========================================================================
   Mobile Modals & Overlays
   ========================================================================== */

/* Mobile-optimized modals */
.mobile-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}

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

.mobile-modal-content {
    background: white;
    border-radius: var(--border-radius-mobile) var(--border-radius-mobile) 0 0;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform var(--transition-smooth);
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.mobile-modal.active .mobile-modal-content {
    transform: translateY(0);
}

.mobile-modal-header {
    padding: var(--mobile-padding);
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
}

.mobile-modal-body {
    padding: var(--mobile-padding);
}

/* ==========================================================================
   Mobile Utilities
   ========================================================================== */

/* Safe area insets for devices with notches */
.safe-area-top {
    padding-top: env(safe-area-inset-top, 0);
}

.safe-area-bottom {
    padding-bottom: env(safe-area-inset-bottom, 0);
}

/* Mobile-only utilities */
.mobile-only {
    display: block;
}

.desktop-only {
    display: none;
}

@media (min-width: 768px) {
    .mobile-only {
        display: none;
    }
    
    .desktop-only {
        display: block;
    }
}

/* Pull-to-refresh indicator */
.pull-to-refresh {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: white;
    padding: 8px 16px;
    border-radius: 0 0 8px 8px;
    font-size: 0.9rem;
    z-index: 1000;
    opacity: 0;
    transition: all var(--transition-smooth);
}

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

/* Mobile loading states */
.mobile-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: #6b7280;
}

.mobile-loading .spinner {
    width: 24px;
    height: 24px;
    border: 2px solid #e5e7eb;
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 12px;
}

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

/* ==========================================================================
   Mobile Responsive Overrides
   ========================================================================== */

@media (max-width: 640px) {
    /* Increase touch targets on small screens */
    button,
    .btn,
    .nav-link {
        min-height: 48px;
        padding: 14px 18px;
    }
    
    /* Larger text for readability */
    body {
        font-size: 16px;
        line-height: 1.5;
    }
    
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.3rem; }
    
    /* More padding on mobile */
    .container {
        padding-left: var(--mobile-padding);
        padding-right: var(--mobile-padding);
    }
}

/* ==========================================================================
   Dark Mode Support (for future implementation)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    .mobile-card {
        background: #1f2937;
        color: white;
    }
    
    .mobile-card-header {
        border-bottom-color: #374151;
    }
    
    .mobile-card-footer {
        background: #111827;
        border-top-color: #374151;
    }
    
    .mobile-list {
        background: #1f2937;
    }
    
    .mobile-list-item {
        border-bottom-color: #374151;
        color: white;
    }
    
    .mobile-list-item:active {
        background-color: #374151;
    }
}