/* Vercel Cost Optimizer - Styles */

:root {
    --primary: #000000;
    --primary-light: #333333;
    --primary-dark: #000000;
    --accent: #0070F3;
    --accent-light: #3291FF;
    --accent-dark: #0050C0;
    --bg: #FAFAFA;
    --bg-card: #FFFFFF;
    --text: #171717;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border: #EAEAEA;
    --border-dark: #D4D4D4;
    --success: #0070F3;
    --success-bg: #EBF5FF;
    --warning: #F5A623;
    --warning-bg: #FFF8EB;
    --danger: #E00;
    --danger-bg: #FFF0F0;
    --info: #666;
    --info-bg: #F5F5F5;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar {
    background: var(--primary);
    border-bottom: 1px solid #222;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.nav-brand {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-icon {
    font-size: 20px;
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    color: #A0A0A0;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.15s;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 4px;
}

.header-actions {
    display: flex;
    gap: 8px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.card-body {
    padding: 20px 24px;
}

.card-actions {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

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

.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    border-color: var(--border-dark);
}

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

.btn-outline {
    background: transparent;
    color: var(--text);
    border-color: var(--border-dark);
}

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

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

.btn-danger:hover {
    background: #CC0000;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 13px;
}

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

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-card);
    color: var(--text);
    transition: border-color 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,112,243,0.1);
}

.form-row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
}

.form-actions-inline {
    display: flex;
    align-items: flex-end;
    padding-bottom: 0;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
    border: 1px solid;
}

.alert-error {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: #FCC;
}

.alert-success {
    background: var(--success-bg);
    color: var(--accent-dark);
    border-color: #B3D7FF;
}

.alert-info {
    background: var(--info-bg);
    color: var(--text-secondary);
    border-color: var(--border);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: var(--info-bg);
    color: var(--text-secondary);
}

.badge-success {
    background: #E6F9ED;
    color: #0A7C3E;
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-warning {
    background: var(--warning-bg);
    color: #8A5D00;
}

.badge-info {
    background: var(--info-bg);
    color: var(--text-secondary);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.metric-card.highlight {
    border-color: var(--accent);
    background: var(--success-bg);
}

.metric-value {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.metric-value.savings {
    color: #0A7C3E;
}

.metric-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Cost Breakdown */
.cost-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cost-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.cost-row.total {
    border-bottom: none;
    border-top: 2px solid var(--primary);
    padding-top: 12px;
    font-weight: 700;
}

.cost-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.cost-value {
    font-size: 16px;
    font-weight: 600;
}

/* Usage Grid */
.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.usage-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.usage-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.usage-value {
    font-size: 18px;
    font-weight: 600;
}

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

.data-table th,
.data-table td {
    padding: 10px 16px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr:hover {
    background: var(--bg);
}

.savings-cell {
    color: #0A7C3E;
    font-weight: 600;
}

/* Findings */
.findings-summary {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.findings-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.finding-card {
    padding: 16px;
    border-radius: var(--radius);
    border-left: 4px solid var(--border);
    background: var(--bg);
}

.finding-card.severity-high {
    border-left-color: var(--danger);
    background: #FFF8F8;
}

.finding-card.severity-medium {
    border-left-color: var(--warning);
    background: #FFFDF5;
}

.finding-card.severity-low {
    border-left-color: var(--info);
    background: var(--bg);
}

.finding-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.finding-severity {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.finding-severity.severity-high {
    background: var(--danger-bg);
    color: var(--danger);
}

.finding-severity.severity-medium {
    background: var(--warning-bg);
    color: #8A5D00;
}

.finding-severity.severity-low {
    background: var(--info-bg);
    color: var(--text-secondary);
}

.finding-title {
    font-weight: 600;
    font-size: 15px;
}

.finding-savings {
    margin-left: auto;
    color: #0A7C3E;
    font-weight: 600;
    font-size: 14px;
}

.finding-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.finding-recommendation {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: rgba(0,0,0,0.03);
    border-radius: 4px;
    margin-top: 6px;
}

/* Account Info */
.account-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-row {
    display: flex;
    gap: 16px;
}

.info-label {
    font-size: 14px;
    color: var(--text-secondary);
    min-width: 100px;
}

.info-value {
    font-size: 14px;
    font-weight: 500;
}

/* Setup Steps */
.setup-steps {
    padding-left: 24px;
}

.setup-steps li {
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.6;
}

.setup-steps code {
    background: var(--info-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--accent-dark);
}

/* Hero */
.hero {
    text-align: center;
    padding: 60px 0 40px;
}

.hero-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

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

/* Pricing Overview */
.pricing-overview {
    margin: 48px 0;
}

.pricing-overview h2 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 24px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.pricing-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.price {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
}

.price span {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
}

.pricing-card ul {
    list-style: none;
    text-align: left;
}

.pricing-card ul li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.pricing-card ul li:last-child {
    border-bottom: none;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px 24px;
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.footer p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        gap: 12px;
    }

    .form-row {
        flex-direction: column;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 28px;
    }

    .finding-header {
        flex-wrap: wrap;
    }

    .finding-savings {
        margin-left: 0;
    }
}

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