:root {
    --primary: #0066FF;
    --primary-light: #EBF3FF;
    --bg-main: #F8F9FA;
    --bg-card: #FFFFFF;
    --text-main: #1A1A1B;
    --text-muted: #6B7280;
    --border: #E5E7EB;
    --success: #10B981;
    --warning: #F59E0B;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s;
}

.nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

.nav-item:hover:not(.active) {
    background-color: #F3F4F6;
}

/* Main Content */
.main-content {
    flex-grow: 1;
    padding: 2rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-height: 100vh;
    overflow-y: auto;
}

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

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Dashboard Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--bg-card);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
}

.stat-trend {
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.trend-up { color: var(--success); }

/* Content Section */
.content-section {
    background-color: var(--bg-card);
    border-radius: 1rem;
    border: 1px solid var(--border);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 1rem;
    border-bottom: 2px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-muted);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9375rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
}

.status-published { background-color: #D1FAE5; color: #065F46; }
.status-draft { background-color: #F3F4F6; color: #374151; }
.status-pending { background-color: #FEF3C7; color: #92400E; }

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background-color: #0052CC;
}

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

.btn-outline:hover {
    background-color: #F9FAFB;
}