/* ============ RESET & BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary-400: #4ade80;
    --primary-500: #22c55e;
    --primary-600: #16a34a;
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-850: #1f1f23;
    --gray-900: #18181b;
    --gray-950: #09090b;
    --error: #ef4444;
    --success: #22c55e;
    --bg-page: #09090b;
    --bg-card: #18181b;
    --bg-card-hover: #27272a;
    --bg-input: #27272a;
    --border-default: #3f3f46;
    --border-subtle: #27272a;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --transition-fast: 0.15s ease;
}

html { font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ============ LOGIN PAGE ============ */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-2xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 12px;
}

.login-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.login-logo p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: border-color var(--transition-fast);
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary-500);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--primary-500);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background: var(--primary-600);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.8125rem;
}

.login-error {
    color: var(--error);
    font-size: 0.8125rem;
    text-align: center;
    margin-bottom: 16px;
    display: none;
}

/* ============ DASHBOARD ============ */
.dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 16px;
}

.dashboard-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.dashboard-header .subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

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

.user-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.user-badge .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-500);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.75rem;
}

/* ============ SITES GRID ============ */
.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.site-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-2xl);
    padding: 28px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
}

.site-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-accent, var(--primary-500));
    opacity: 0;
    transition: opacity 0.2s ease;
}

.site-card:hover {
    border-color: var(--gray-600);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.site-card:hover::before {
    opacity: 1;
}

.site-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.site-card-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.site-card-url {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-bottom: 10px;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.site-card-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.site-card-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 10px;
    background: rgba(34, 197, 94, 0.15);
    color: var(--primary-400);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.site-card-arrow {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.site-card:hover .site-card-arrow {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: white;
}

/* ============ NOTIFICATION ============ */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 14px 20px;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 1000;
    transform: translateX(120%);
    transition: transform 0.3s ease;
    background: var(--bg-card);
    border: 1px solid var(--primary-500);
    color: var(--text-primary);
}

.notification.show {
    transform: translateX(0);
}

.notification.error {
    border-color: var(--error);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .login-card { padding: 32px 24px; }
    .dashboard { padding: 24px 16px; }
    .dashboard-header h1 { font-size: 1.375rem; }
    .sites-grid { grid-template-columns: 1fr; }
}