/* ==========================================================================
   Design System & Master Theme
   Primary: #3c82f6 | Background: #ffffff | Font: Prompt / Sarabun
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
    /* Brand & Accent Colors */
    --primary: #3c82f6;
    --primary-hover: #2563eb;
    --primary-light: #eff6ff;
    --primary-border: #bfdbfe;
    --primary-rgb: 60, 130, 246;

    /* Base & Neutral Colors */
    --bg-main: #ffffff;
    --bg-surface: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --border-focus: #93c5fd;

    /* Typography Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    /* Semantic Status */
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --info: #06b6d4;
    --info-light: #ecfeff;

    /* Elevation Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 15px rgba(60, 130, 246, 0.25);
}

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

body {
    font-family: 'Prompt', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-surface);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    word-break: break-word;
    overflow-wrap: break-word;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-surface);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.35;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.2s ease;
}
a:hover {
    color: var(--primary-hover);
}

/* Main Container Wrapper */
.main-content-wrapper {
    flex: 1 0 auto;
    padding: 1.75rem 0;
}

/* Card Styling */
.card-custom {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}
.card-custom:hover {
    box-shadow: var(--shadow-md);
}

.card-header-custom {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1.15rem 1.35rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-header-primary {
    background: linear-gradient(135deg, #3c82f6 0%, #2563eb 100%);
    color: var(--text-inverse);
    padding: 1.15rem 1.35rem;
}
.card-header-primary h1,
.card-header-primary h2,
.card-header-primary h3,
.card-header-primary h4,
.card-header-primary h5 {
    color: var(--text-inverse);
}

/* Stat Cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.875rem;
    padding: 1.15rem 1.35rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 1.15rem;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-border);
}
.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}
.stat-icon-blue { background: var(--primary-light); color: var(--primary); }
.stat-icon-green { background: var(--success-light); color: var(--success); }
.stat-icon-amber { background: var(--warning-light); color: var(--warning); }
.stat-icon-cyan { background: var(--info-light); color: var(--info); }
.stat-icon-red { background: var(--danger-light); color: var(--danger); }

/* Buttons */
.btn-primary-custom {
    background: var(--primary);
    color: #ffffff;
    border: 1px solid var(--primary);
    border-radius: 0.625rem;
    padding: 0.55rem 1.2rem;
    font-weight: 500;
    font-size: 0.925rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-xs);
}
.btn-primary-custom:hover, .btn-primary-custom:focus {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #ffffff;
    box-shadow: var(--shadow-glow);
}

.btn-secondary-custom {
    background: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.625rem;
    padding: 0.55rem 1.2rem;
    font-weight: 500;
    font-size: 0.925rem;
    transition: all 0.2s ease;
}
.btn-secondary-custom:hover {
    background: #e2e8f0;
    color: var(--text-primary);
}

.btn-pill {
    border-radius: 50rem !important;
}

/* ==========================================================================
   Action Buttons in DataTables & Tables (High Contrast & Clear Hover States)
   ========================================================================== */
.btn.rounded-circle,
.btn-action-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: all 0.2s ease-in-out;
    border-width: 1px;
    vertical-align: middle;
}
.btn.rounded-circle:hover,
.btn-action-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.12);
}
.btn.rounded-circle:active,
.btn-action-icon:active {
    transform: scale(0.92);
}

/* Ensure button icons strictly follow button text color */
.btn i,
.btn-outline-primary i,
.btn-outline-warning i,
.btn-outline-danger i,
.btn-outline-secondary i,
.btn-outline-success i,
.btn-outline-info i {
    pointer-events: none;
    color: inherit !important;
}

/* Primary Outline Button */
.btn-outline-primary {
    color: #2563eb !important;
    background-color: #eff6ff !important;
    border-color: #bfdbfe !important;
}
.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active,
.table-hover tbody tr:hover .btn-outline-primary:hover,
table.dataTable tbody tr:hover .btn-outline-primary:hover {
    color: #ffffff !important;
    background-color: #2563eb !important;
    border-color: #1d4ed8 !important;
}
.table-hover tbody tr:hover .btn-outline-primary,
table.dataTable tbody tr:hover .btn-outline-primary {
    color: #2563eb !important;
    background-color: #eff6ff !important;
    border-color: #bfdbfe !important;
}

/* Warning Outline Button */
.btn-outline-warning {
    color: #d97706 !important;
    background-color: #fffbeb !important;
    border-color: #fde68a !important;
}
.btn-outline-warning:hover,
.btn-outline-warning:focus,
.btn-outline-warning:active,
.table-hover tbody tr:hover .btn-outline-warning:hover,
table.dataTable tbody tr:hover .btn-outline-warning:hover {
    color: #ffffff !important;
    background-color: #f59e0b !important;
    border-color: #d97706 !important;
}
.table-hover tbody tr:hover .btn-outline-warning,
table.dataTable tbody tr:hover .btn-outline-warning {
    color: #d97706 !important;
    background-color: #fffbeb !important;
    border-color: #fde68a !important;
}

/* Danger Outline Button */
.btn-outline-danger {
    color: #dc2626 !important;
    background-color: #fef2f2 !important;
    border-color: #fecaca !important;
}
.btn-outline-danger:hover,
.btn-outline-danger:focus,
.btn-outline-danger:active,
.table-hover tbody tr:hover .btn-outline-danger:hover,
table.dataTable tbody tr:hover .btn-outline-danger:hover {
    color: #ffffff !important;
    background-color: #ef4444 !important;
    border-color: #dc2626 !important;
}
.table-hover tbody tr:hover .btn-outline-danger,
table.dataTable tbody tr:hover .btn-outline-danger {
    color: #dc2626 !important;
    background-color: #fef2f2 !important;
    border-color: #fecaca !important;
}

/* Secondary Outline Button */
.btn-outline-secondary {
    color: #475569 !important;
    background-color: #f8fafc !important;
    border-color: #cbd5e1 !important;
}
.btn-outline-secondary:hover,
.btn-outline-secondary:focus,
.btn-outline-secondary:active,
.table-hover tbody tr:hover .btn-outline-secondary:hover,
table.dataTable tbody tr:hover .btn-outline-secondary:hover {
    color: #ffffff !important;
    background-color: #64748b !important;
    border-color: #475569 !important;
}
.table-hover tbody tr:hover .btn-outline-secondary,
table.dataTable tbody tr:hover .btn-outline-secondary {
    color: #475569 !important;
    background-color: #f8fafc !important;
    border-color: #cbd5e1 !important;
}

/* Success Outline Button */
.btn-outline-success {
    color: #059669 !important;
    background-color: #ecfdf5 !important;
    border-color: #a7f3d0 !important;
}
.btn-outline-success:hover,
.btn-outline-success:focus,
.btn-outline-success:active,
.table-hover tbody tr:hover .btn-outline-success:hover,
table.dataTable tbody tr:hover .btn-outline-success:hover {
    color: #ffffff !important;
    background-color: #10b981 !important;
    border-color: #059669 !important;
}
.table-hover tbody tr:hover .btn-outline-success,
table.dataTable tbody tr:hover .btn-outline-success {
    color: #059669 !important;
    background-color: #ecfdf5 !important;
    border-color: #a7f3d0 !important;
}

/* Form Controls */
.form-label {
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
    font-size: 0.875rem;
}
.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.55rem 0.85rem;
    font-size: 0.925rem;
    color: var(--text-primary);
    background-color: var(--bg-card);
    transition: all 0.2s ease;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(60, 130, 246, 0.18);
    background-color: #ffffff;
}

/* Custom Navbar */
.navbar-custom {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
    padding: 0.65rem 0;
}
.navbar-custom .navbar-brand {
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.15rem;
}
.navbar-custom .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.45rem 0.75rem;
    font-size: 0.9rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s ease;
}
.navbar-custom .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.navbar-custom .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 600;
}

/* Badges */
.badge-custom {
    padding: 0.3rem 0.65rem;
    border-radius: 50rem;
    font-weight: 500;
    font-size: 0.775rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}
.badge-blue { background: var(--primary-light); color: var(--primary); border: 1px solid var(--primary-border); }
.badge-green { background: var(--success-light); color: var(--success); border: 1px solid #a7f3d0; }
.badge-amber { background: var(--warning-light); color: var(--warning); border: 1px solid #fde68a; }
.badge-red { background: var(--danger-light); color: var(--danger); border: 1px solid #fecaca; }

/* Interactive Star Rating */
.star-rating {
    display: inline-flex;
    flex-direction: row-reverse;
    gap: 0.35rem;
}
.star-rating input {
    display: none;
}
.star-rating label {
    cursor: pointer;
    font-size: 2rem;
    color: #cbd5e1;
    transition: color 0.2s ease, transform 0.1s ease;
}
.star-rating label:hover,
.star-rating label:hover ~ label,
.star-rating input:checked ~ label {
    color: #f59e0b;
}
.star-rating label:active {
    transform: scale(1.15);
}

/* ==========================================================================
   Dropzone.js Custom Modern Theme & Drag & Drop Styles
   ========================================================================== */
.dropzone.custom-dropzone {
    border: 2px dashed #93c5fd !important;
    background-color: #f8fafc !important;
    border-radius: 1rem !important;
    padding: 2rem 1.5rem !important;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease-in-out;
    min-height: 200px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}
.dropzone.custom-dropzone:hover,
.dropzone.custom-dropzone.dz-drag-hover {
    border-color: #2563eb !important;
    background-color: #eff6ff !important;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.15) !important;
}
.dropzone.custom-dropzone .dz-message {
    margin: 0;
    cursor: pointer;
    width: 100%;
}
.dropzone-icon {
    width: 64px;
    height: 64px;
    background: #dbeafe;
    color: #2563eb;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 0.85rem;
    transition: transform 0.2s ease;
}
.dropzone.custom-dropzone:hover .dropzone-icon {
    transform: translateY(-3px);
}

/* Dropzone Previews Styling */
.dropzone.custom-dropzone .dz-preview {
    margin: 0.5rem;
    min-height: auto;
    position: relative;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid var(--border-color);
    background: #ffffff;
    transition: transform 0.2s ease;
}
.dropzone.custom-dropzone .dz-preview:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}
.dropzone.custom-dropzone .dz-preview .dz-image {
    border-radius: 0.75rem;
    width: 130px;
    height: 100px;
}
.dropzone.custom-dropzone .dz-preview .dz-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.dropzone.custom-dropzone .dz-preview .dz-remove {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.9) !important;
    color: #ffffff !important;
    font-size: 0.75rem !important;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
    cursor: pointer;
    z-index: 10;
    transition: all 0.15s ease;
    border: none;
}
.dropzone.custom-dropzone .dz-preview .dz-remove:hover {
    background: #dc2626 !important;
    transform: scale(1.15);
}
.dropzone.custom-dropzone .dz-preview .dz-size-badge {
    position: absolute;
    bottom: 5px;
    left: 5px;
    background: rgba(15, 23, 42, 0.75);
    color: #ffffff;
    font-size: 0.68rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    z-index: 10;
}
.dropzone.custom-dropzone .dz-preview .dz-fancybox-btn {
    position: absolute;
    inset: 0;
    z-index: 5;
    cursor: pointer;
}

/* Fancybox Gallery Thumbnails */
.gallery-thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 0.75rem;
}
.gallery-thumb-item {
    position: relative;
    border-radius: 0.65rem;
    overflow: hidden;
    aspect-ratio: 4/3;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}
.gallery-thumb-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
    border-color: var(--primary-border);
}
.gallery-thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.gallery-thumb-item .overlay-zoom {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.gallery-thumb-item:hover .overlay-zoom {
    opacity: 1;
}

/* Fancybox Layering (Must be highest layer, above Bootstrap Modals z-index: 1055) */
:root {
    --fancybox-zIndex: 99999;
}
.fancybox__container,
.fancybox-container,
div.fancybox__container {
    z-index: 99999 !important;
}

/* DataTables Styling Overrides */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    border: 1px solid var(--border-color) !important;
    border-radius: 0.45rem !important;
    padding: 0.35rem 0.65rem !important;
    font-size: 0.85rem !important;
    outline: none !important;
}
.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(60, 130, 246, 0.2) !important;
}
table.dataTable thead th {
    background-color: var(--bg-surface) !important;
    color: var(--text-secondary) !important;
    border-bottom: 2px solid var(--border-color) !important;
    font-weight: 600 !important;
    padding: 0.75rem 0.85rem !important;
    font-size: 0.875rem !important;
}
table.dataTable tbody td {
    padding: 0.7rem 0.85rem !important;
    vertical-align: middle !important;
    border-bottom: 1px solid #f1f5f9 !important;
    font-size: 0.875rem !important;
}
table.dataTable.hover tbody tr:hover, 
table.dataTable tbody tr:hover {
    background-color: #f8fafc !important;
}
.page-item.active .page-link {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}

/* Footer */
.footer-custom {
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 1rem 0;
    color: var(--text-muted);
    font-size: 0.825rem;
    text-align: center;
    margin-top: auto;
}

/* ==========================================================================
   Comprehensive Mobile & Tablet Responsive Optimizations (< 992px, < 768px, < 576px)
   ========================================================================== */

/* Tablet Breakpoint (< 992px) */
@media (max-width: 991.98px) {
    .navbar-custom .navbar-nav {
        padding: 0.75rem 0;
        gap: 0.25rem;
    }
}

/* Mobile Screen Breakpoint (< 768px) - Full Typography & Table Scaling */
@media (max-width: 767.98px) {
    .main-content-wrapper {
        padding: 0.85rem 0;
    }

    /* Headings Scaling */
    h1, .h1 { font-size: 1.35rem !important; }
    h2, .h2 { font-size: 1.2rem !important; }
    h3, .h3 { font-size: 1.1rem !important; }
    h4, .h4 { font-size: 1.02rem !important; }
    h5, .h5 { font-size: 0.95rem !important; }
    h6, .h6 { font-size: 0.875rem !important; }

    /* Page Titles & Subtitles */
    .page-title {
        font-size: 1.15rem !important;
    }
    .page-subtitle {
        font-size: 0.775rem !important;
    }

    /* Compact Cards */
    .card-custom {
        border-radius: 0.65rem;
        margin-bottom: 0.85rem !important;
    }
    .card-custom .card-body {
        padding: 0.85rem 1rem !important;
    }
    .card-header-custom,
    .card-header-primary {
        padding: 0.75rem 1rem !important;
    }

    /* Stat Cards Optimization on Mobile */
    .stat-card {
        padding: 0.75rem 0.9rem !important;
        gap: 0.75rem !important;
        border-radius: 0.65rem;
    }
    .stat-card h2, .stat-card h3 {
        font-size: 1.35rem !important;
    }
    .stat-icon {
        width: 42px !important;
        height: 42px !important;
        font-size: 1.1rem !important;
        border-radius: 0.5rem;
    }

    /* Compact Table Typography on Mobile */
    table.dataTable thead th,
    table thead th {
        font-size: 0.775rem !important;
        padding: 0.5rem 0.6rem !important;
        white-space: nowrap;
    }
    table.dataTable tbody td,
    table tbody td {
        font-size: 0.8rem !important;
        padding: 0.45rem 0.6rem !important;
    }
    .table-responsive {
        margin-bottom: 0 !important;
        border-radius: 0.5rem;
    }

    /* Badges & Button Groups in Tables */
    .badge {
        font-size: 0.725rem !important;
        padding: 0.25rem 0.45rem !important;
    }
    .btn-group .btn-sm {
        padding: 0.25rem 0.45rem !important;
        font-size: 0.75rem !important;
    }

    /* Modals on Mobile */
    .modal-dialog {
        margin: 0.5rem;
    }
    .modal-content {
        border-radius: 0.75rem !important;
    }
    .modal-header {
        padding: 0.75rem 1rem !important;
    }
    .modal-title {
        font-size: 1rem !important;
    }
    .modal-body {
        padding: 0.85rem 1rem !important;
        font-size: 0.825rem !important;
    }
    .modal-footer {
        padding: 0.65rem 1rem !important;
    }

    /* Forms & Buttons on Mobile */
    .form-label {
        font-size: 0.8rem !important;
        margin-bottom: 0.2rem !important;
    }
    .form-control, .form-select {
        font-size: 0.85rem !important;
        padding: 0.45rem 0.7rem !important;
    }
    .form-control-lg, .form-select-lg {
        font-size: 0.95rem !important;
        padding: 0.55rem 0.85rem !important;
    }
    .btn {
        font-size: 0.85rem !important;
        padding: 0.45rem 0.95rem !important;
    }
    .btn-lg {
        font-size: 0.925rem !important;
        padding: 0.55rem 1.15rem !important;
    }

    /* Breadcrumbs */
    .breadcrumb {
        font-size: 0.775rem !important;
        margin-bottom: 0.35rem !important;
    }

    /* DataTables Info & Search Controls on Mobile */
    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter {
        text-align: left !important;
        margin-bottom: 0.4rem;
        font-size: 0.8rem;
    }
    .dataTables_wrapper .dataTables_info,
    .dataTables_wrapper .dataTables_paginate {
        text-align: center !important;
        margin-top: 0.4rem;
        font-size: 0.8rem;
    }
}

/* Small Mobile Screen (< 576px) */
@media (max-width: 575.98px) {
    .navbar-brand span {
        font-size: 1rem;
    }
    .card-custom .card-body {
        padding: 0.75rem 0.85rem !important;
    }
    .star-rating label {
        font-size: 1.6rem !important;
    }
    .btn-group {
        display: flex;
        flex-wrap: nowrap;
    }
}