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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --error: #dc2626;
    --success: #16a34a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.auth-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.auth-card h2 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.error-message {
    background: #fef2f2;
    color: var(--error);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary {
    width: 100%;
    background: var(--primary);
    color: white;
}

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

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

.btn-secondary:hover:not(:disabled) {
    background: var(--border);
}

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

.btn-logout {
    background: transparent;
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-logout:hover {
    color: var(--text);
}

.auth-link {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.auth-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

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

/* Navbar */
.navbar {
    background: var(--card-bg);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

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

.nav-user span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Dashboard */
.dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.dashboard-header p {
    color: var(--text-muted);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.1);
}

.stat-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border-radius: 10px;
}

.stat-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

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

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.1);
}

.card h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.empty-state {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
}

.empty-state p {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.empty-state small {
    font-size: 0.75rem;
}

.source-list {
    list-style: none;
}

.source-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.source-list li:last-child {
    border-bottom: none;
}

.source-list .coming-soon {
    color: var(--text-muted);
    font-style: italic;
}

.source-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--primary);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.source-badge.disabled {
    background: var(--border);
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 640px) {
    .navbar {
        padding: 1rem;
    }

    .dashboard {
        padding: 1rem;
    }

    .auth-card {
        padding: 1.5rem;
    }
}