/* ==========================================================
   ADMIN DASHBOARD CSS - โรงเรียนวัดโคกขาม(นรสิงห์อนุสรณ์)
   Theme: Modern Glassmorphism Admin CMS
   ========================================================== */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    
    --accent: #f59e0b;
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #f43f5e 100%);
    
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    
    --bg-dark: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-white: #ffffff;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Prompt', 'Inter', -apple-system, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
}

/* ==========================================================
   LOGIN PAGE STYLES
   ========================================================== */
.login-body {
    background: radial-gradient(circle at top right, #1e3a8a, #0f172a 70%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation: floatShape 8s ease-in-out infinite alternate;
}

.login-bg-shapes .shape-1 {
    width: 350px;
    height: 350px;
    background: #3b82f6;
    top: -50px;
    left: -50px;
}

.login-bg-shapes .shape-2 {
    width: 300px;
    height: 300px;
    background: #06b6d4;
    bottom: -50px;
    right: -50px;
    animation-delay: -4s;
}

@keyframes floatShape {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(30px) scale(1.08); }
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    width: 100%;
    max-width: 440px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 40px 35px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    z-index: 10;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    padding: 8px;
    border: 2px solid #e0e7ff;
}

.login-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.login-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 5px;
}

.login-header p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 8px;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    color: #94a3b8;
    font-size: 1rem;
    transition: var(--transition);
}

.input-with-icon input,
.form-control {
    width: 100%;
    padding: 12px 15px 12px 42px;
    font-size: 0.95rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: white;
    color: var(--text-main);
    outline: none;
    transition: var(--transition);
}

.form-control-no-icon {
    padding-left: 15px !important;
}

.input-with-icon input:focus,
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.input-with-icon input:focus + i {
    color: var(--primary);
}

.btn-admin {
    width: 100%;
    padding: 13px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-primary-admin {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary-admin:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

.btn-primary-admin:active {
    transform: translateY(0);
}

.btn-outline-admin {
    background: white;
    border: 1.5px solid var(--border-color);
    color: #475569;
}

.btn-outline-admin:hover {
    background: #f1f5f9;
    color: #1e293b;
}

.login-footer-text {
    text-align: center;
    margin-top: 25px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.login-footer-text a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

/* ==========================================================
   DASHBOARD LAYOUT
   ========================================================== */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 270px;
    background: var(--bg-sidebar);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
    width: 44px;
    height: 44px;
    background: white;
    border-radius: var(--radius-sm);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-logo img {
    max-width: 100%;
    max-height: 100%;
}

.sidebar-title h3 {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.3;
}

.sidebar-title span {
    font-size: 0.75rem;
    color: #94a3b8;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 14px;
    overflow-y: auto;
}

.nav-section-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    padding: 10px 12px 6px;
    font-weight: 700;
}

.sidebar-menu {
    list-style: none;
    margin-bottom: 15px;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #cbd5e1;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 4px;
}

.sidebar-menu li a i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.sidebar-menu li a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
}

.sidebar-menu li a.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.sidebar-footer {
    padding: 18px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.admin-user-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.admin-user-role {
    font-size: 0.72rem;
    color: #94a3b8;
}

.btn-logout {
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-logout:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* Main Content Area */
.admin-main {
    flex: 1;
    margin-left: 270px;
    padding: 30px;
    min-height: 100vh;
}

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.page-title h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #0f172a;
}

.page-title p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 18px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.icon-blue { background: #eff6ff; color: #2563eb; }
.icon-green { background: #f0fdf4; color: #10b981; }
.icon-amber { background: #fffbeb; color: #f59e0b; }
.icon-purple { background: #faf5ff; color: #a855f7; }

.stat-info h4 {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.stat-info .stat-number {
    font-size: 1.6rem;
    font-weight: 800;
    color: #0f172a;
}

/* Content Container Card */
.admin-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: 30px;
}

.card-header-admin {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

.card-header-admin h3 {
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.search-box-admin {
    position: relative;
    width: 240px;
}

.search-box-admin i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 0.9rem;
}

.search-box-admin input {
    width: 100%;
    padding: 8px 12px 8px 34px;
    font-size: 0.88rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    transition: var(--transition);
}

.search-box-admin input:focus {
    border-color: var(--primary);
}

.select-admin {
    padding: 8px 12px;
    font-size: 0.88rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: white;
    outline: none;
    cursor: pointer;
    color: var(--text-main);
}

/* Data Table */
.table-responsive {
    overflow-x: auto;
}

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

.admin-table th {
    background: #f8fafc;
    padding: 14px 20px;
    font-size: 0.82rem;
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.admin-table td {
    padding: 16px 20px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.admin-table tr:hover td {
    background: #f8fafc;
}

.news-table-thumb {
    width: 54px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: #e2e8f0;
    flex-shrink: 0;
}

.news-table-title {
    font-weight: 600;
    color: #0f172a;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
}

.badge-primary { background: #dbeafe; color: #1e40af; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-purple { background: #f3e8ff; color: #6b21a8; }
.badge-gray { background: #f1f5f9; color: #475569; }

.pinned-icon {
    color: var(--accent);
    margin-right: 6px;
    font-size: 0.85rem;
}

.table-actions {
    display: flex;
    gap: 8px;
}

.btn-icon-action {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-color);
    background: white;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-icon-action:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: #eff6ff;
}

.btn-icon-delete:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: #fef2f2;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-container {
    background: white;
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: scaleUp 0.25s ease-out;
}

.modal-container form {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

@keyframes scaleUp {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0f172a;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #94a3b8;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.modal-close-btn:hover {
    color: #0f172a;
    background: #f1f5f9;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-footer {
    padding: 18px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: #f8fafc;
    flex-shrink: 0;
}

/* Image Upload Preview Box */
.image-upload-box {
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    background: #f8fafc;
    transition: var(--transition);
    margin-bottom: 10px;
    position: relative;
}

.image-upload-box:hover {
    border-color: var(--primary);
    background: #f0f9ff;
}

.image-upload-box i {
    font-size: 2rem;
    color: #94a3b8;
    margin-bottom: 8px;
}

.preview-img-container {
    width: 100%;
    height: 180px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    display: none;
    margin-top: 10px;
    border: 1px solid var(--border-color);
}

.preview-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.remove-img-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    width: 28px;
    height: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: white;
    border-radius: var(--radius-md);
    padding: 14px 18px;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    max-width: 400px;
    animation: slideInRight 0.3s ease-out;
}

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

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-danger { border-left-color: var(--danger); }
.toast.toast-warning { border-left-color: var(--warning); }

.toast-icon { font-size: 1.2rem; }
.toast-success .toast-icon { color: var(--success); }
.toast-danger .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warning); }

.toast-message {
    font-size: 0.9rem;
    font-weight: 500;
    color: #1e293b;
}

/* Mobile Responsiveness */
.mobile-sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    color: #1e293b;
    cursor: pointer;
}

@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.mobile-open {
        transform: translateX(0);
    }
    .admin-main {
        margin-left: 0;
        padding: 20px;
    }
    .mobile-sidebar-toggle {
        display: block;
    }
}