/**
 * Apple Modern HIG Design System for LTC Equipment Lending System
 * Designed for Fully Responsive Experience (Desktop, Tablet, Mobile)
 * Following Apple Human Interface Guidelines (HIG)
 * Version: 3.0 (Mobile-First Native iOS Look & Feel)
 */

@import url('thai-datepicker.css');

/* ==========================================================================
   1. Root Variables & Safe Area Insets
   ========================================================================== */
:root {
    /* iOS System Colors */
    --ios-blue: #007aff;
    --ios-blue-rgb: 0, 122, 255;
    --ios-blue-subtle: rgba(0, 122, 255, 0.10);
    --ios-green: #34c759;
    --ios-green-rgb: 52, 199, 89;
    --ios-green-subtle: rgba(52, 199, 89, 0.12);
    --ios-orange: #ff9500;
    --ios-orange-rgb: 255, 149, 0;
    --ios-orange-subtle: rgba(255, 149, 0, 0.12);
    --ios-red: #ff3b30;
    --ios-red-rgb: 255, 59, 48;
    --ios-red-subtle: rgba(255, 59, 48, 0.12);
    --ios-purple: #af52de;
    --ios-purple-rgb: 175, 82, 222;
    --ios-purple-subtle: rgba(175, 82, 222, 0.12);
    --ios-indigo: #5856d6;
    --ios-teal: #30b0c7;
    
    /* Apple Backgrounds & Gradients */
    --ios-bg-primary: #f2f2f7;
    --ios-bg-secondary: #ffffff;
    --ios-bg-tertiary: #f8fafc;
    --ios-bg-grouped: #f2f2f7;
    --ios-card-bg: rgba(255, 255, 255, 0.92);
    --ios-glass-bg: rgba(255, 255, 255, 0.85);
    --ios-glass-dark-bg: rgba(24, 24, 27, 0.85);
    
    /* Apple Inset Borders & Separators */
    --ios-separator: rgba(60, 60, 67, 0.12);
    --ios-separator-subtle: rgba(60, 60, 67, 0.06);
    --ios-border-hairline: 0.5px solid var(--ios-separator);
    
    /* Apple Typography & Shadows */
    --ios-font: 'Sarabun', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --ios-shadow-subtle: 0 2px 10px rgba(0, 0, 0, 0.03);
    --ios-shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.02);
    --ios-shadow-floating: 0 12px 32px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    
    /* Safe Area Inset Variables */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    
    /* Navigation Bar Dimensions */
    --ios-header-height: 58px;
    --ios-tabbar-height: 62px;
}

/* ==========================================================================
   2. Global Typography & Base Improvements
   ========================================================================== */
body {
    font-family: var(--ios-font) !important;
    background-color: var(--ios-bg-grouped) !important;
    color: #1c1c1e !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
    text-rendering: optimizeLegibility;
}

/* Apple Smooth Continuous Superellipse Curves */
.rounded-ios-sm  { border-radius: 8px !important; }
.rounded-ios     { border-radius: 12px !important; }
.rounded-ios-md  { border-radius: 16px !important; }
.rounded-ios-lg  { border-radius: 20px !important; }
.rounded-ios-xl  { border-radius: 24px !important; }
.rounded-ios-pill{ border-radius: 9999px !important; }

/* Micro-interaction: Active Press Feedback */
.ios-pressable {
    transition: transform 0.15s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.15s ease-out;
}
.ios-pressable:active {
    transform: scale(0.96) !important;
    opacity: 0.88;
}

/* ==========================================================================
   3. Apple Inset Grouped Cards & Glassmorphism
   ========================================================================== */
.card, 
.chart-card,
.ios-card,
.category-card,
.cm-card {
    border: 1px solid var(--ios-separator-subtle) !important;
    border-radius: 20px !important;
    background: #ffffff !important;
    box-shadow: var(--ios-shadow-card) !important;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
    overflow: hidden;
}

.card:hover, 
.chart-card:hover,
.ios-card:hover,
.cm-card:hover {
    box-shadow: var(--ios-shadow-floating) !important;
}

/* Frosted Glass Effect (Vibrancy) */
.ios-glass {
    background: var(--ios-glass-bg) !important;
    backdrop-filter: blur(20px) saturate(190%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(190%) !important;
    border: 1px solid rgba(255, 255, 255, 0.6) !important;
}

.ios-glass-dark {
    background: var(--ios-glass-dark-bg) !important;
    backdrop-filter: blur(25px) saturate(190%) !important;
    -webkit-backdrop-filter: blur(25px) saturate(190%) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    color: #ffffff !important;
}

/* Apple Header Cards (Hero Banners) */
.executive-header,
.manual-hero,
.hero-banner {
    border-radius: 22px !important;
    background: linear-gradient(135deg, #091223 0%, #0f1f38 50%, #1e3a5f 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 12px 30px -6px rgba(10, 25, 47, 0.35) !important;
    color: #ffffff !important;
}

@media (max-width: 767.98px) {
    .executive-header,
    .manual-hero,
    .hero-banner {
        border-radius: 18px !important;
        padding: 1.25rem !important;
    }
    
    .executive-header h1,
    .manual-hero h1,
    .hero-banner h1 {
        font-size: 1.35rem !important;
    }
}

/* ==========================================================================
   4. Native iOS Header (Navbar) Styling
   ========================================================================== */
.navbar-bg {
    background: var(--ios-glass-bg) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 0.5px solid var(--ios-separator) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02) !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1020 !important;
    padding-top: max(8px, var(--safe-top)) !important;
    padding-bottom: 8px !important;
    min-height: calc(var(--ios-header-height) + var(--safe-top)) !important;
}

/* Navbar action buttons & pills */
.navbar .btn {
    border-radius: 9999px !important;
    font-weight: 500 !important;
    font-size: 0.82rem !important;
    padding: 0.38rem 0.85rem !important;
    transition: all 0.15s ease-out !important;
}
.navbar .btn:active {
    transform: scale(0.95);
}

/* Role Switcher Pill */
.ios-role-pill {
    background: #ffffff;
    border: 1px solid rgba(0, 122, 255, 0.25);
    color: var(--ios-blue);
    border-radius: 9999px;
    padding: 5px 12px;
    font-weight: 600;
    font-size: 0.82rem;
    box-shadow: 0 2px 6px rgba(0, 122, 255, 0.1);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.ios-role-pill:active {
    background-color: var(--ios-blue-subtle);
    transform: scale(0.96);
}

/* ==========================================================================
   5. Native iOS Bottom Tab Bar (Viewport < 768px)
   ========================================================================== */
.ios-bottom-tabbar {
    display: none; /* Hidden on Desktop */
}

@media (max-width: 767.98px) {
    /* Show Bottom Tab Bar on Mobile */
    .ios-bottom-tabbar {
        display: flex !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 1045 !important;
        height: calc(var(--ios-tabbar-height) + var(--safe-bottom)) !important;
        padding-bottom: var(--safe-bottom) !important;
        background: rgba(255, 255, 255, 0.88) !important;
        backdrop-filter: blur(25px) saturate(200%) !important;
        -webkit-backdrop-filter: blur(25px) saturate(200%) !important;
        border-top: 0.5px solid var(--ios-separator) !important;
        box-shadow: 0 -3px 16px rgba(0, 0, 0, 0.04) !important;
        align-items: center;
        justify-content: space-around;
        padding-left: max(4px, var(--safe-left));
        padding-right: max(4px, var(--safe-right));
    }

    /* Tab Items */
    .ios-tab-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 100%;
        text-decoration: none !important;
        color: #8e8e93 !important;
        transition: transform 0.12s ease-out, color 0.12s ease-out;
        position: relative;
        padding-top: 4px;
        -webkit-user-select: none;
        user-select: none;
    }
    
    .ios-tab-item:active {
        transform: scale(0.90);
    }
    
    .ios-tab-item.active {
        color: var(--ios-blue) !important;
        font-weight: 600 !important;
    }

    .ios-tab-icon {
        width: 22px;
        height: 22px;
        margin-bottom: 2px;
        transition: transform 0.15s ease-out;
    }

    .ios-tab-item.active .ios-tab-icon {
        stroke-width: 2.3px;
        transform: translateY(-1px);
    }

    .ios-tab-label {
        font-size: 10px !important;
        line-height: 1.1;
        letter-spacing: -0.01em;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
        max-width: 68px;
    }

    /* Notification dot on tab */
    .ios-tab-badge {
        position: absolute;
        top: 3px;
        right: calc(50% - 15px);
        min-width: 8px;
        height: 8px;
        background-color: var(--ios-red);
        border: 1.5px solid #ffffff;
        border-radius: 9999px;
    }
    .ios-tab-badge-num {
        position: absolute;
        top: 2px;
        right: calc(50% - 20px);
        background-color: var(--ios-red);
        color: #ffffff;
        font-size: 9px;
        font-weight: 700;
        padding: 1px 4px;
        border-radius: 9999px;
        border: 1.5px solid #ffffff;
        line-height: 1;
    }

    /* Buffer at the bottom of page content to prevent overlap */
    .content,
    main.content {
        padding-bottom: calc(var(--ios-tabbar-height) + var(--safe-bottom) + 24px) !important;
    }

    /* Mobile Header Layout */
    .navbar .navbar-collapse {
        display: flex !important;
        width: 100% !important;
    }
    
    .navbar-align {
        width: 100% !important;
        justify-content: space-between !important;
    }
}

/* ==========================================================================
   6. Touch Target & Apple Button Guidelines (>= 44x44px)
   ========================================================================== */
.btn,
button,
.dropdown-toggle,
.pagination .page-link {
    min-height: 38px;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.15s cubic-bezier(0.25, 1, 0.5, 1);
}

.btn:active,
button:active {
    transform: scale(0.97) !important;
}

@media (max-width: 767.98px) {
    /* Enforce Apple minimum 44px touch target on mobile */
    .btn,
    .btn-sm,
    .btn-action,
    .pagination .page-link {
        min-height: 44px !important;
        padding-top: 10px !important;
        padding-bottom: 10px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 0.9rem !important;
    }
    
    .btn-group .btn {
        min-height: 42px !important;
    }
}

/* Primary Apple Button */
.btn-primary {
    background: linear-gradient(180deg, #007aff 0%, #0066d6 100%) !important;
    border: 0 !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.28) !important;
}
.btn-primary:hover {
    background: linear-gradient(180deg, #0a84ff 0%, #0071eb 100%) !important;
    box-shadow: 0 6px 16px rgba(0, 122, 255, 0.36) !important;
}
.btn-primary:active {
    background: #0062cc !important;
    transform: scale(0.97) !important;
}

/* Success Apple Button */
.btn-success {
    background: linear-gradient(180deg, #34c759 0%, #28a745 100%) !important;
    border: 0 !important;
    box-shadow: 0 4px 12px rgba(52, 199, 89, 0.28) !important;
}

/* ==========================================================================
   7. Apple Modern Form & Input Styling
   ========================================================================== */
.form-control,
.form-select {
    border-radius: 12px !important;
    border: 1px solid var(--ios-separator-subtle) !important;
    background-color: #f8fafc !important;
    padding: 0.6rem 0.95rem !important;
    font-size: 0.92rem !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
    box-shadow: none !important;
}

.form-control:focus,
.form-select:focus {
    background-color: #ffffff !important;
    border-color: var(--ios-blue) !important;
    box-shadow: 0 0 0 3px var(--ios-blue-subtle) !important;
}

/* Tom Select iOS styling */
.ts-control {
    border-radius: 12px !important;
    background-color: #f8fafc !important;
    border: 1px solid var(--ios-separator-subtle) !important;
    min-height: 42px !important;
    font-family: var(--ios-font) !important;
    padding: 0.5rem 0.85rem !important;
}
.ts-dropdown {
    border-radius: 14px !important;
    border: 1px solid var(--ios-separator-subtle) !important;
    box-shadow: var(--ios-shadow-floating) !important;
    overflow: hidden !important;
}

@media (max-width: 767.98px) {
    /* iOS Safari zoom prevention: font-size must be at least 16px */
    .form-control,
    .form-select,
    .ts-control input {
        font-size: 16px !important;
        min-height: 44px !important;
    }
}

/* ==========================================================================
   8. Apple Segmented Controls & Pills (.nav-tabs / .nav-pills)
   ========================================================================== */
.nav-tabs,
.nav-pills {
    border-bottom: 0 !important;
    background: rgba(118, 118, 128, 0.12) !important;
    padding: 4px !important;
    border-radius: 14px !important;
    display: inline-flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    max-width: 100% !important;
    scrollbar-width: none !important;
}
.nav-tabs::-webkit-scrollbar,
.nav-pills::-webkit-scrollbar {
    display: none !important;
}

.nav-tabs .nav-link,
.nav-pills .nav-link {
    border: 0 !important;
    border-radius: 11px !important;
    color: #475569 !important;
    font-weight: 500 !important;
    font-size: 0.88rem !important;
    padding: 8px 16px !important;
    white-space: nowrap !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
    min-height: 38px !important;
}

.nav-tabs .nav-link.active,
.nav-pills .nav-link.active {
    background: #ffffff !important;
    color: #0f172a !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04) !important;
}

/* ==========================================================================
   9. Inset Grouped Table (Apple HIG Style)
   ========================================================================== */
.table-responsive {
    -webkit-overflow-scrolling: touch !important;
    border-radius: 16px !important;
    margin-bottom: 0 !important;
}

.table {
    margin-bottom: 0 !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
}

.table thead th {
    background-color: #f8fafc !important;
    color: #64748b !important;
    font-size: 0.78rem !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.04em !important;
    border-bottom: 1px solid var(--ios-separator) !important;
    padding: 12px 14px !important;
    white-space: nowrap !important;
}

.table tbody td {
    padding: 14px 14px !important;
    border-bottom: 0.5px solid var(--ios-separator-subtle) !important;
    font-size: 0.88rem !important;
    vertical-align: middle !important;
}

.table tbody tr:last-child td {
    border-bottom: none !important;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 122, 255, 0.02) !important;
}

/* ==========================================================================
   10. Badges & Status Pills
   ========================================================================== */
.badge {
    border-radius: 9999px !important;
    padding: 0.35em 0.75em !important;
    font-weight: 600 !important;
    letter-spacing: -0.01em !important;
    font-size: 0.75rem !important;
    border: 0.5px solid transparent !important;
}

.badge.bg-primary {
    background-color: var(--ios-blue-subtle) !important;
    color: var(--ios-blue) !important;
    border-color: rgba(0, 122, 255, 0.2) !important;
}

.badge.bg-success {
    background-color: var(--ios-green-subtle) !important;
    color: #15803d !important;
    border-color: rgba(52, 199, 89, 0.25) !important;
}

.badge.bg-warning {
    background-color: var(--ios-orange-subtle) !important;
    color: #b45309 !important;
    border-color: rgba(255, 149, 0, 0.25) !important;
}

.badge.bg-danger {
    background-color: var(--ios-red-subtle) !important;
    color: #b91c1c !important;
    border-color: rgba(255, 59, 48, 0.25) !important;
}

.badge.bg-info {
    background-color: rgba(48, 176, 199, 0.12) !important;
    color: #0e7490 !important;
    border-color: rgba(48, 176, 199, 0.25) !important;
}

/* ==========================================================================
   11. Apple iOS Modal Styling
   ========================================================================== */
.modal-content {
    border-radius: 24px !important;
    border: 1px solid var(--ios-separator-subtle) !important;
    box-shadow: var(--ios-shadow-floating) !important;
    overflow: hidden;
}

.modal-header {
    border-bottom: 0.5px solid var(--ios-separator) !important;
    padding: 1.2rem 1.5rem !important;
    background: #ffffff !important;
}

.modal-footer {
    border-top: 0.5px solid var(--ios-separator) !important;
    padding: 1rem 1.5rem !important;
    background: #f8fafc !important;
}

@media (max-width: 767.98px) {
    /* Bottom Sheet Modal on Mobile (iOS style) */
    .modal-dialog {
        margin: 0 !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        max-width: 100% !important;
        transform: translateY(100%);
        transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1) !important;
    }
    
    .modal.show .modal-dialog {
        transform: translateY(0) !important;
    }
    
    .modal-content {
        border-bottom-left-radius: 0 !important;
        border-bottom-right-radius: 0 !important;
        border-top-left-radius: 28px !important;
        border-top-right-radius: 28px !important;
        padding-bottom: max(16px, var(--safe-bottom)) !important;
        max-height: 90vh !important;
        overflow-y: auto !important;
    }
    
    /* Pull down handle indicator for bottom sheet */
    .modal-header::before {
        content: '';
        position: absolute;
        top: 8px;
        left: 50%;
        transform: translateX(-50%);
        width: 38px;
        height: 4px;
        background-color: #cbd5e1;
        border-radius: 9999px;
    }
}