/* Premium Admin Dashboard Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-glass: rgba(30, 41, 59, 0.75);
    --border-glass: rgba(255, 255, 255, 0.08);
    --accent-color: #10b981;
    --accent-hover: #059669;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

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

/* Authentication Page / Login Form */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 50%, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.login-card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--card-shadow);
    animation: fadeIn 0.6s ease-out;
}

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

.login-logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Layout */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 24px;
    border-bottom: 1px solid var(--border-glass);
}

.sidebar-brand h2 {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 14px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-menu-item a {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.2s ease;
    gap: 12px;
}

.sidebar-menu-item a:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.04);
    transform: translateX(4px);
}

.sidebar-menu-item.active a {
    color: var(--text-primary);
    background-color: var(--accent-color);
}

.sidebar-menu-item.active a:hover {
    background-color: var(--accent-hover);
    transform: none;
}

.sidebar-user {
    padding: 20px;
    border-top: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 2px solid var(--border-glass);
}

.sidebar-user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.sidebar-user-role {
    font-size: 12px;
    color: var(--text-secondary);
}

.main-content {
    margin-left: 260px;
    flex-grow: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    height: 70px;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
}

.header-title h2 {
    font-size: 22px;
    font-weight: 600;
}

.page-container {
    padding: 40px;
    flex-grow: 1;
    animation: fadeIn 0.4s ease-out;
}

/* Cards & Containers */
.dashboard-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.15);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 16px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    background-color: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 15px;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-control-file {
    background-color: rgba(15, 23, 42, 0.4);
    border: 2px dashed var(--border-glass);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    width: 100%;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.form-control-file:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.04);
}

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

.btn-danger:hover {
    background-color: var(--danger-hover);
    transform: translateY(-1px);
}

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

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

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

.table th {
    padding: 16px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-glass);
    background-color: rgba(255, 255, 255, 0.01);
}

.table td {
    padding: 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-glass);
    color: var(--text-primary);
    vertical-align: middle;
}

.table tr {
    transition: background-color 0.2s ease;
}

.table tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Alert Notification Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--accent-color);
}

.badge-info {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--info-color);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--warning-color);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger-color);
}

.alert {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #f87171;
}

/* Category Tree Grid View */
.cat-tree-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cat-level-1 {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cat-level-1-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cat-level-1-title {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.cat-level-2-list {
    margin-left: 24px;
    border-left: 2px dashed var(--border-glass);
    padding-left: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cat-level-2-item {
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    padding: 10px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Checkbox Grid for category permissions */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    background-color: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 16px;
    max-height: 250px;
    overflow-y: auto;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-item input[type="checkbox"] {
    accent-color: var(--accent-color);
    width: 16px;
    height: 16px;
}

/* Keyframes & Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive UI adjustments */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .header {
        padding: 0 20px;
    }
    .page-container {
        padding: 20px;
    }
}