/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* Variables */
:root {
    --font-primary: 'Outfit', sans-serif;
    
    /* Sleek Dark AdminLTE Sidebar Palette */
    --color-sidebar-bg: #111c24;
    --color-sidebar-hover: #1e2c38;
    --color-sidebar-active: #3b82f6;
    --color-sidebar-text: #b3c0ce;
    --color-sidebar-text-active: #ffffff;
    
    /* Main Theme Palette */
    --color-bg: #f4f6f9;
    --color-card-bg: #ffffff;
    --color-text-main: #1f2937;
    --color-text-muted: #6b7280;
    
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-success: #10b981;
    --color-success-hover: #059669;
    --color-warning: #f59e0b;
    --color-warning-hover: #d97706;
    --color-danger: #ef4444;
    --color-danger-hover: #dc2626;
    
    /* Glassmorphism & UI Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-premium: 0 20px 25px -5px rgba(59, 130, 246, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 18px;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    overflow-x: hidden;
    line-height: 1.5;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Layout Core */
.app-wrapper {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

/* Sidebar Styling */
.app-sidebar {
    width: 280px;
    background-color: var(--color-sidebar-bg);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
    z-index: 100;
    box-shadow: 4px 0 15px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.app-sidebar.collapsed {
    width: 70px;
}

/* Sidebar Branding */
.sidebar-brand {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
}

.sidebar-brand-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.5px;
    transition: var(--transition-normal);
}

.app-sidebar.collapsed .sidebar-brand-name {
    opacity: 0;
    width: 0;
    pointer-events: none;
}

/* Sidebar Menu */
.sidebar-menu {
    list-style: none;
    padding: 20px 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.sidebar-item {
    width: 100%;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    color: var(--color-sidebar-text);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-link i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
    transition: var(--transition-fast);
}

.sidebar-link span {
    transition: opacity var(--transition-fast);
}

.app-sidebar.collapsed .sidebar-link span {
    opacity: 0;
    pointer-events: none;
}

.sidebar-link:hover {
    background-color: var(--color-sidebar-hover);
    color: white;
}

.sidebar-link.active {
    background-color: var(--color-sidebar-active);
    color: var(--color-sidebar-text-active);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.sidebar-link.active i {
    transform: scale(1.1);
}

/* Sidebar Footer (User Profile Summary) */
.sidebar-user {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #3b82f6;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.sidebar-user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    white-space: nowrap;
    transition: var(--transition-normal);
}

.sidebar-user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
}

.sidebar-user-role {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.app-sidebar.collapsed .sidebar-user-info {
    opacity: 0;
    width: 0;
    pointer-events: none;
}

/* Main Area Container */
.app-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    transition: var(--transition-normal);
}

/* Topbar Styling */
.app-topbar {
    height: 70px;
    background-color: var(--color-card-bg);
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: var(--shadow-sm);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle-btn {
    background: none;
    border: none;
    color: var(--color-text-main);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.sidebar-toggle-btn:hover {
    background-color: #f3f4f6;
    color: var(--color-primary);
}

.topbar-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.profile-dropdown-wrapper {
    position: relative;
}

.profile-trigger {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 30px;
    transition: var(--transition-fast);
}

.profile-trigger:hover {
    background-color: #f3f4f6;
}

.profile-trigger-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), #6366f1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.profile-trigger-name {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text-main);
}

/* Content Area */
.app-content {
    flex-grow: 1;
    padding: 30px 24px;
}

/* Dashboard Widget Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

/* Metric Widget Card */
.metric-card {
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius-md);
    padding: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.metric-card.primary::before { background-color: var(--color-primary); }
.metric-card.success::before { background-color: var(--color-success); }
.metric-card.warning::before { background-color: var(--color-warning); }

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

.metric-title {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.metric-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-text-main);
    line-height: 1;
}

.metric-icon-box {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    opacity: 0.9;
}

.metric-card.primary .metric-icon-box { background-color: rgba(59, 130, 246, 0.1); color: var(--color-primary); }
.metric-card.success .metric-icon-box { background-color: rgba(16, 114, 229, 0.1); color: var(--color-success); }
.metric-card.warning .metric-icon-box { background-color: rgba(245, 158, 11, 0.1); color: var(--color-warning); }

/* Premium Standard Card */
.admin-card {
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 24px;
    border: 1px solid #f1f5f9;
}

.admin-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-card-title i {
    color: var(--color-primary);
}

.admin-card-body {
    padding: 24px;
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn-primary { background-color: var(--color-primary); color: white; }
.btn-primary:hover { background-color: var(--color-primary-hover); }

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

.btn-warning { background-color: var(--color-warning); color: white; }
.btn-warning:hover { background-color: var(--color-warning-hover); }

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

.btn-secondary { background-color: #f3f4f6; color: var(--color-text-main); border: 1px solid #e5e7eb; }
.btn-secondary:hover { background-color: #e5e7eb; }

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 6px;
}

/* Input Fields & Forms */
.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-main);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #e5e7eb;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-text-main);
    background-color: white;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
}

.invalid-feedback {
    font-size: 0.8rem;
    color: var(--color-danger);
    font-weight: 500;
    margin-top: 2px;
}

/* Beautiful Modern Table styling */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--border-radius-sm);
    border: 1px solid #e2e8f0;
}

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

.admin-table th {
    background-color: #f8fafc;
    padding: 16px 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text-muted);
    border-bottom: 2px solid #e2e8f0;
    letter-spacing: 0.5px;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.admin-table th:hover {
    color: var(--color-primary);
}

.admin-table td {
    padding: 16px 20px;
    font-size: 0.95rem;
    border-bottom: 1px solid #f1f5f9;
    color: var(--color-text-main);
    vertical-align: middle;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tbody tr {
    transition: var(--transition-fast);
}

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

/* Action controls & Table Header elements */
.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    width: 300px;
    max-width: 100%;
}

.search-input-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 1rem;
    pointer-events: none;
}

.search-input-wrapper .form-control {
    padding-left: 40px;
}

/* CSS Modal System */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(17, 24, 39, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn var(--transition-fast) forwards;
}

.modal-container {
    background-color: white;
    border-radius: var(--border-radius-md);
    width: 600px;
    max-width: 90%;
    max-height: 90vh;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: slideDown var(--transition-normal) forwards;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #f8fafc;
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close-btn:hover {
    background-color: #e2e8f0;
    color: var(--color-text-main);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background-color: #f8fafc;
}

/* Confirmation Dialog Modal Specific */
.modal-confirm {
    width: 420px;
    text-align: center;
}

.modal-confirm .modal-body {
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.confirm-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.confirm-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.confirm-text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

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

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

/* Dynamic Pagination */
.custom-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0 10px;
    flex-wrap: wrap;
    gap: 16px;
}

.pagination-info {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.pagination-links {
    display: flex;
    gap: 6px;
}

.pagination-btn {
    padding: 8px 14px;
    border: 1.5px solid #e5e7eb;
    border-radius: var(--border-radius-sm);
    background-color: white;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-main);
    transition: var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-btn.active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Security Alert Banner */
.custom-alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: fadeIn var(--transition-fast) forwards;
}

.custom-alert-success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.custom-alert-danger {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.custom-alert-icon {
    font-size: 1.25rem;
}

/* Glassmorphic Auth Portal styling */
.auth-bg {
    min-height: 100vh;
    width: 100vw;
    background: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.08) 0%, rgba(99, 102, 241, 0.05) 90.1%), var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.08);
    border-radius: var(--border-radius-lg);
    width: 440px;
    max-width: 100%;
    overflow: hidden;
}

.auth-header {
    padding: 40px 40px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.auth-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-primary), #6366f1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.25);
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-sidebar-bg);
}

.auth-subtitle {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.auth-body {
    padding: 0 40px 40px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.auth-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-link:hover {
    text-decoration: underline;
}

/* User dropdown absolute positioning */
.profile-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: 220px;
    background-color: white;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    border: 1px solid #f1f5f9;
    padding: 8px 0;
    z-index: 1000;
    display: none;
    animation: fadeIn var(--transition-fast) forwards;
}

.profile-dropdown.show {
    display: block;
}

.dropdown-user-header {
    padding: 12px 16px;
    border-bottom: 1px solid #f1f5f9;
    margin-bottom: 4px;
}

.dropdown-user-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.dropdown-user-email {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--color-text-main);
    text-decoration: none;
    font-size: 0.9rem;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background-color: #f8fafc;
    color: var(--color-primary);
}

.dropdown-item.logout {
    color: var(--color-danger);
}
.dropdown-item.logout:hover {
    background-color: #fef2f2;
    color: var(--color-danger);
}

/* Responsive sidebar */
@media (max-width: 768px) {
    .app-sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        bottom: 0;
    }
    
    .app-sidebar.show-mobile {
        left: 0;
    }
    
    .app-container {
        width: 100%;
    }
}