@import url('https://fonts.googleapis.com/css2?family=Anuphan:wght@100..700&display=swap');

:root {
    --primary: hsl(270, 75%, 60%);
    --primary-glow: hsla(270, 75%, 60%, 0.45);
    --secondary: hsl(230, 80%, 65%);
    --bg-dark: hsl(230, 45%, 8%);
    --bg-card: hsla(230, 45%, 12%, 0.65);
    --bg-input: hsla(230, 45%, 16%, 0.8);
    --border-color: hsla(230, 45%, 25%, 0.5);
    --border-focus: hsla(270, 75%, 60%, 0.8);
    --text-main: hsl(210, 20%, 95%);
    --text-muted: hsl(215, 15%, 70%);
    
    --success: hsl(145, 65%, 50%);
    --warning: hsl(40, 80%, 55%);
    --danger: hsl(355, 75%, 55%);
    --info: hsl(190, 75%, 50%);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 15px var(--primary-glow);
}

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

body {
    font-family: 'Anuphan', sans-serif;
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, hsla(270, 60%, 40%, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, hsla(230, 60%, 40%, 0.15) 0px, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
}

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

a:hover {
    color: var(--primary);
    text-shadow: 0 0 8px var(--primary-glow);
}

/* Typography Layouts */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 0.5em;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Premium Layout (Container, Navbar) */
.navbar {
    background: hsla(230, 45%, 8%, 0.75);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-brand span {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    background: var(--primary);
    border-radius: 4px;
    color: #fff;
    -webkit-text-fill-color: #fff;
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover, .nav-link.active {
    color: #fff;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.user-badge {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.user-badge i {
    color: var(--primary);
}

.logout-btn {
    color: var(--danger);
    font-size: 0.9rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Premium Main Frame & Grid layout */
.main-content {
    flex: 1;
    padding: 2.5rem 2rem;
    max-width: 1920px;
    width: 100%;
    margin: 0 auto;
}

/* Cards & Glassmorphism */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    border-color: hsla(270, 75%, 60%, 0.3);
}

/* Grid Utilities */
.grid-cols-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.grid-cols-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-cols-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.grid-main-sidebar {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 2rem;
}

/* Dashboard Stats Card */
.stat-card {
    position: relative;
    overflow: hidden;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
}

.stat-card.purple::before { background: var(--primary); }
.stat-card.blue::before { background: var(--secondary); }
.stat-card.green::before { background: var(--success); }
.stat-card.orange::before { background: var(--warning); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: hsla(270, 75%, 60%, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
}

.stat-card.blue .stat-icon { background: hsla(230, 80%, 65%, 0.15); color: var(--secondary); }
.stat-card.green .stat-icon { background: hsla(145, 65%, 50%, 0.15); color: var(--success); }
.stat-card.orange .stat-icon { background: hsla(40, 80%, 55%, 0.15); color: var(--warning); }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    margin-top: 0.25rem;
}

/* Tables & Document Listings */
.table-container {
    overflow-x: auto;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.custom-table th {
    padding: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.custom-table td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
    color: var(--text-main);
    vertical-align: middle;
}

.custom-table tr:hover td {
    background: hsla(230, 45%, 15%, 0.3);
}

/* Modern Form Controls */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: var(--shadow-glow);
}

.form-control[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

/* Beautiful Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, hsl(280, 80%, 55%) 100%);
    color: #fff;
    box-shadow: 0 4px 15px hsla(270, 75%, 60%, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px hsla(270, 75%, 60%, 0.5);
}

.btn-secondary {
    background: var(--bg-input);
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: hsla(230, 45%, 22%, 0.8);
    border-color: var(--text-muted);
}

.btn-danger {
    background: hsla(355, 75%, 55%, 0.2);
    border-color: var(--danger);
    color: hsl(355, 95%, 70%);
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

.btn-success {
    background: hsla(145, 65%, 50%, 0.2);
    border-color: var(--success);
    color: hsl(145, 95%, 70%);
}

.btn-success:hover {
    background: var(--success);
    color: #fff;
}

/* Glowing AI Smart Scan Button */
.btn-ai-glow {
    background: linear-gradient(135deg, hsl(270, 85%, 65%) 0%, var(--secondary) 100%);
    color: #fff;
    box-shadow: 0 0 15px hsla(270, 80%, 65%, 0.5);
    position: relative;
    overflow: hidden;
}

.btn-ai-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(45deg);
    animation: glow-shine 3s infinite linear;
}

@keyframes glow-shine {
    0% { transform: translate(-30%, -30%) rotate(45deg); }
    100% { transform: translate(30%, 30%) rotate(45deg); }
}

.btn-ai-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px hsla(270, 80%, 65%, 0.8);
}

/* Badges for Documents */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid transparent;
}

/* Document Types */
.badge-type-ข้อบังคับ { background: hsla(0, 75%, 60%, 0.15); color: hsl(0, 95%, 75%); border-color: hsla(0, 75%, 60%, 0.3); }
.badge-type-ระเบียบ { background: hsla(200, 75%, 55%, 0.15); color: hsl(200, 95%, 75%); border-color: hsla(200, 75%, 55%, 0.3); }
.badge-type-ประกาศ { background: hsla(45, 85%, 50%, 0.15); color: hsl(45, 95%, 75%); border-color: hsla(45, 85%, 50%, 0.3); }
.badge-type-คำสั่ง { background: hsla(280, 75%, 60%, 0.15); color: hsl(280, 95%, 75%); border-color: hsla(280, 75%, 60%, 0.3); }
.badge-type-แนวปฏิบัติ { background: hsla(160, 70%, 45%, 0.15); color: hsl(160, 90%, 75%); border-color: hsla(160, 70%, 45%, 0.3); }
.badge-type-คู่มือ { background: hsla(25, 80%, 55%, 0.15); color: hsl(25, 95%, 75%); border-color: hsla(25, 80%, 55%, 0.3); }
.badge-type-หนังสือเวียน { background: hsla(330, 75%, 55%, 0.15); color: hsl(330, 95%, 75%); border-color: hsla(330, 75%, 55%, 0.3); }
.badge-type-แบบฟอร์ม { background: hsla(100, 60%, 50%, 0.15); color: hsl(100, 90%, 75%); border-color: hsla(100, 60%, 50%, 0.3); }

/* Document Status */
.badge-status-active { background: hsla(145, 65%, 50%, 0.15); color: hsl(145, 95%, 75%); border-color: hsla(145, 65%, 50%, 0.3); }
.badge-status-cancelled { background: hsla(355, 75%, 55%, 0.15); color: hsl(355, 95%, 75%); border-color: hsla(355, 75%, 55%, 0.3); }
.badge-status-replaced { background: hsla(40, 80%, 55%, 0.15); color: hsl(40, 95%, 75%); border-color: hsla(40, 80%, 55%, 0.3); }

/* Document Level */
.badge-level {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Keyword tags */
.tag {
    background: hsla(230, 45%, 22%, 0.8);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.tag-remove {
    cursor: pointer;
    color: var(--danger);
}

/* Tag input styling */
.tags-input-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-height: 44px;
    align-items: center;
}

.tags-input-container input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    min-width: 120px;
}

/* Dynamic Drag and Drop Table */
.draggable-row {
    cursor: grab;
}

.draggable-row:active {
    cursor: grabbing;
}

.drag-handle {
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: grab;
}

.sortable-ghost {
    background: hsla(270, 75%, 60%, 0.2) !important;
    border: 1px dashed var(--primary) !important;
    opacity: 0.8;
}

/* Beautiful Interactive Timeline for Document History */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin-top: 1.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -29px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--border-color);
    transition: all 0.3s ease;
    z-index: 1;
}

.timeline-item.active::before {
    border-color: var(--primary);
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

.timeline-item.replaced::before {
    border-color: var(--warning);
    background: var(--bg-dark);
}

.timeline-item.cancelled::before {
    border-color: var(--danger);
    background: var(--bg-dark);
}

.timeline-content {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
}

.timeline-item.active .timeline-content {
    border-color: hsla(270, 75%, 60%, 0.4);
    box-shadow: var(--shadow-glow);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1rem;
    font-weight: 600;
}

.timeline-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    gap: 1rem;
    margin-top: 0.25rem;
}

/* PDF Drag & Drop Upload Zone & Glowing AI Scanner Beam Animation */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    background: hsla(230, 45%, 10%, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background: hsla(270, 75%, 60%, 0.05);
}

.upload-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.upload-zone:hover .upload-icon {
    color: var(--primary);
}

/* Glowing Scanner Beam Line */
.scanner-container {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-input);
    padding: 1.5rem;
    margin-top: 1.5rem;
    display: none;
    overflow: hidden;
}

.scanner-beam {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, transparent, var(--primary), var(--secondary), transparent);
    box-shadow: 0 0 10px var(--primary);
    animation: scan-vertical 2s infinite linear;
}

@keyframes scan-vertical {
    0% { top: 0%; }
    50% { top: 100%; }
    100% { top: 0%; }
}

/* Alerts and Notifications */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid transparent;
}

.alert-success {
    background: hsla(145, 65%, 50%, 0.15);
    border-color: hsla(145, 65%, 50%, 0.3);
    color: hsl(145, 95%, 75%);
}

.alert-danger {
    background: hsla(355, 75%, 55%, 0.15);
    border-color: hsla(355, 75%, 55%, 0.3);
    color: hsl(355, 95%, 75%);
}

/* Authentication Page layout */
.auth-container {
    max-width: 450px;
    width: 100%;
    margin: 5rem auto;
    padding: 0 1.5rem;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-roles-demo {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.85rem;
}

.auth-roles-demo ul {
    list-style-type: none;
    margin-top: 0.5rem;
}

.auth-roles-demo li {
    margin-bottom: 0.25rem;
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
}

.auth-roles-demo span {
    color: #fff;
    font-weight: 500;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

@media (max-width: 1200px) {
    .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-3 { grid-template-columns: 1fr; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .grid-main-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .grid-cols-4 { grid-template-columns: 1fr; }
    .grid-cols-2 { grid-template-columns: 1fr; }
    .navbar { flex-direction: column; gap: 1rem; padding: 1rem; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
}

/* Microsoft Entra ID Brand Button */
.btn-microsoft {
    background: linear-gradient(135deg, hsl(210, 75%, 45%) 0%, hsl(205, 80%, 35%) 100%);
    color: #fff !important;
    box-shadow: 0 4px 15px hsla(210, 75%, 45%, 0.35);
    border-color: hsla(210, 75%, 55%, 0.4);
    position: relative;
    overflow: hidden;
    height: 50px;
    width: 100%;
    margin-bottom: 1.5rem;
}

.btn-microsoft:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px hsla(210, 75%, 45%, 0.55);
    color: #fff !important;
}

.btn-microsoft i {
    font-size: 1.2rem;
}

/* Accordion for Admin Fallback */
.fallback-accordion {
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    padding-top: 1.5rem;
}

.fallback-title {
    font-size: 0.9rem;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.fallback-title:hover {
    color: var(--text-main);
}

.fallback-content {
    display: none;
    margin-top: 1.25rem;
}

.fallback-content.show {
    display: block;
}

/* Custom Select2 styling for Dark Glassmorphism Theme */
.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    background-color: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    min-height: 42px !important;
    display: flex;
    align-items: center;
}
.select2-container--default .select2-selection--multiple {
    height: auto !important;
    padding-bottom: 2px !important;
}
.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--text-main) !important;
    line-height: normal !important;
    padding-left: 0.75rem !important;
}
.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 40px !important;
    right: 10px !important;
}
.select2-dropdown {
    background-color: hsla(230, 45%, 12%, 0.98) !important;
    border: 1px solid var(--border-color) !important;
    backdrop-filter: blur(10px) !important;
    border-radius: 8px !important;
    overflow: hidden;
    z-index: 1060 !important;
}
.select2-search--dropdown .select2-search__field {
    background-color: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    color: #fff !important;
    border-radius: 4px !important;
}
.select2-container--default .select2-results__option {
    color: var(--text-main) !important;
}
.select2-container--default .select2-results__option--selected {
    background-color: rgba(124, 58, 237, 0.2) !important;
}
.select2-container--default .select2-results__option--highlighted.select2-results__option--selectable {
    background-color: var(--primary) !important;
    color: #fff !important;
}

/* Select2 Multiple Tags */
.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: rgba(124, 58, 237, 0.3) !important;
    border: 1px solid var(--primary-glow) !important;
    color: #fff !important;
    border-radius: 4px !important;
    padding: 2px 6px !important;
    margin-top: 5px !important;
}
.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
    color: #fff !important;
    margin-right: 5px !important;
    border-right: none !important;
}
.select2-container--default .select2-selection--multiple .select2-search__field {
    color: #fff !important;
    margin-top: 8px !important;
}