:root {
    --bg-primary: #0f1115;
    --bg-secondary: #1a1d24;
    --bg-glass: rgba(26, 29, 36, 0.7);
    --text-primary: #ffffff;
    --text-secondary: #a0aabf;
    --accent-primary: #6366f1;
    --accent-hover: #4f46e5;
    --accent-danger: #ef4444;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-border: 1px solid rgba(255, 255, 255, 0.05);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* App Layout */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: var(--glass-border);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 100;
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header .logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header .logo i {
    font-size: 28px;
    color: var(--accent-primary);
}

.sidebar-header h2 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff, #a0aabf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mobile-toggle-close {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

.nav-links {
    list-style: none;
    padding: 0 12px;
    margin-top: 20px;
}

.nav-links li {
    margin-bottom: 8px;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a i {
    font-size: 20px;
}

.nav-links a:hover, .nav-links a.active {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    position: relative;
}

.mobile-header {
    display: none;
    padding: 16px 24px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--glass-border);
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
}

.mobile-toggle-open {
    font-size: 24px;
    cursor: pointer;
}

.content-wrapper {
    padding: 32px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Typography & Utilities */
h1.page-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 14px;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: #fff;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--accent-danger);
}
.btn-danger:hover {
    background-color: var(--accent-danger);
    color: #fff;
}

.btn-icon {
    padding: 8px;
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
}
.btn-icon:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
}

/* Cards & Glassmorphism */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.primary { background: rgba(99, 102, 241, 0.1); color: var(--accent-primary); }
.stat-icon.warning { background: rgba(245, 158, 11, 0.1); color: var(--accent-warning); }

.stat-details h3 {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}
.stat-details p {
    font-size: 24px;
    font-weight: 700;
}

.section-header {
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Lists */
.item-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.item-card {
    background: rgba(255, 255, 255, 0.02);
    border: var(--glass-border);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}
.item-card:hover {
    background: rgba(255, 255, 255, 0.05);
}

.item-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}
.item-meta {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.category-badge {
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.3);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0aabf' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}
select.form-control option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.checkbox-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

/* Quill Editor Overrides */
.ql-toolbar.ql-snow {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
}
.ql-toolbar.ql-snow .ql-stroke { stroke: var(--text-secondary); }
.ql-toolbar.ql-snow .ql-fill { fill: var(--text-secondary); }
.ql-toolbar.ql-snow .ql-picker { color: var(--text-secondary); }

.ql-container.ql-snow {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom-left-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    min-height: 300px;
}
.ql-editor img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}
.ql-editor.ql-blank::before {
    color: rgba(255, 255, 255, 0.3);
}

/* Tables (Categories) */
.table-responsive {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}
.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* Responsive Mobile Styles */
.sidebar-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 95;
    display: none;
    opacity: 0;
    transition: opacity 0.3s;
}

@media (max-width: 992px) {
    .sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        bottom: 0;
        box-shadow: var(--shadow-md);
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }

    .mobile-header {
        display: flex;
    }
    
    .mobile-toggle-close {
        display: block;
    }

    .content-wrapper {
        padding: 20px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Accordions */
.accordion-item {
    margin-bottom: 16px;
    border: var(--glass-border);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    overflow: hidden;
}
.accordion-header {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}
.accordion-header:hover {
    background: rgba(0, 0, 0, 0.4);
}
.accordion-title {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.accordion-icon {
    transition: transform 0.3s ease;
}
.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.accordion-item.active .accordion-content {
    max-height: 2000px;
    transition: max-height 0.5s ease-in;
}
.accordion-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}
.modal-overlay.active {
    display: flex;
    opacity: 1;
}
.modal-content {
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.modal-overlay.active .modal-content {
    transform: scale(1);
}