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

:root {
    --admin-bg: #f8fafc;
    --admin-card-bg: #ffffff;
    --admin-text-main: #0f172a;
    --admin-text-muted: #64748b;
    --admin-border: #e2e8f0;
    
    --admin-tangerine: #ff5722;
    --admin-tangerine-hover: #f4511e;
    --admin-tangerine-light: #fff5f2;
    
    --admin-sidebar-bg: #0f172a;
    --admin-sidebar-text: #94a3b8;
    --admin-sidebar-active: #ffffff;
    
    --admin-radius: 8px;
    --admin-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
}

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

body.admin-body {
    background-color: var(--admin-bg);
    color: var(--admin-text-main);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    min-height: 100vh;
}

.admin-shell {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background-color: var(--admin-sidebar-bg);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.admin-sidebar .brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #ffffff;
    text-decoration: none;
    padding: 0.5rem;
    margin-bottom: 2rem;
}

.admin-sidebar .brand-mark {
    font-size: 1.75rem;
}

.admin-sidebar .brand-name {
    display: block;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.admin-sidebar .brand-slogan {
    display: block;
    font-size: 0.75rem;
    color: var(--admin-tangerine);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-sidebar nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.admin-sidebar nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--admin-sidebar-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--admin-radius);
    transition: all 0.2s ease;
}

.admin-sidebar nav a:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.admin-sidebar nav a[aria-current="page"] {
    background-color: var(--admin-tangerine);
    color: #ffffff;
    font-weight: 600;
}

.admin-main {
    flex: 1;
    padding: 2rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    overflow-x: hidden;
}

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--admin-card-bg);
    padding: 1rem 1.5rem;
    border-radius: var(--admin-radius);
    border: 1px solid var(--admin-border);
    box-shadow: var(--admin-shadow);
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    background-color: var(--admin-tangerine-light);
    color: var(--admin-tangerine);
    border-radius: 9999px;
    border: 1px solid rgba(255, 87, 34, 0.2);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--admin-radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

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

.btn-tangerine:hover {
    background-color: var(--admin-tangerine-hover);
}

.btn-outline {
    background-color: #ffffff;
    border: 1px solid var(--admin-border);
    color: var(--admin-text-main);
}

.btn-outline:hover {
    border-color: var(--admin-tangerine);
    color: var(--admin-tangerine);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--admin-radius);
    font-weight: 500;
    font-size: 0.9rem;
}

.alert-success {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.admin-card {
    background-color: var(--admin-card-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 1.5rem;
    box-shadow: var(--admin-shadow);
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--admin-border);
}

.admin-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--admin-text-main);
}

.theme-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin: 1rem 0 1.5rem 0;
}

.theme-option-card {
    position: relative;
    border: 2px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #ffffff;
}

.theme-option-card:hover {
    border-color: var(--admin-tangerine);
}

.theme-option-card input[type="radio"] {
    position: absolute;
    top: 1rem;
    right: 1rem;
    accent-color: var(--admin-tangerine);
    width: 1.1rem;
    height: 1.1rem;
}

.theme-option-card.active {
    border-color: var(--admin-tangerine);
    background-color: var(--admin-tangerine-light);
}

.theme-option-title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.35rem;
    color: var(--admin-text-main);
}

.theme-option-desc {
    font-size: 0.825rem;
    color: var(--admin-text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-box {
    background: var(--admin-card-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 1.25rem;
    box-shadow: var(--admin-shadow);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--admin-tangerine);
    line-height: 1;
    margin-bottom: 0.35rem;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--admin-text-muted);
}

.text-muted {
    color: var(--admin-text-muted);
}