/* Amplitude Cost Optimizer - Purple Theme */

:root {
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --primary-light: #ede9fe;
    --accent: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --text: #334155;
    --text-light: #64748b;
    --border: #e2e8f0;
    --bg: #f8fafc;
    --white: #ffffff;
}

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

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

/* Navbar */
.navbar {
    background: var(--dark);
    color: var(--white);
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1rem;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.875rem;
}
.nav-links a:hover { color: var(--white); }

/* Main Content */
.main-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
}
.container { max-width: 1100px; margin: 0 auto; }

/* Hero */
.hero {
    text-align: center;
    padding: 3rem 1rem;
}
.hero h1 {
    font-size: 2.25rem;
    color: var(--dark);
    margin-bottom: 0.75rem;
}
.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { background: #d1d5db; }
.btn-outline { background: transparent; color: #94a3b8; border: 1px solid #475569; }
.btn-outline:hover { color: var(--white); border-color: #94a3b8; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.info-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}
.feature-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}
.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}
.feature-card p {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Steps */
.info-section {
    margin: 3rem 0;
    text-align: center;
}
.info-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark);
}
.steps {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}
.step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    max-width: 300px;
    text-align: left;
}
.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}
.step-text h4 { font-size: 0.9375rem; margin-bottom: 0.25rem; }
.step-text p { font-size: 0.8125rem; color: var(--text-light); }

/* Connect Page */
.connect-page {
    display: flex;
    justify-content: center;
    padding: 2rem 1rem;
}
.connect-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    max-width: 520px;
    width: 100%;
}
.connect-card h1 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.connect-subtitle { color: var(--text-light); font-size: 0.875rem; margin-bottom: 1.5rem; }
.connect-divider {
    text-align: center;
    margin: 1.5rem 0;
    color: var(--text-light);
    font-size: 0.875rem;
}
.connect-help {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}
.connect-help h3 { font-size: 0.9375rem; margin-bottom: 0.75rem; }
.connect-help ol {
    padding-left: 1.25rem;
    font-size: 0.8125rem;
    color: var(--text-light);
}
.connect-help li { margin-bottom: 0.375rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    color: var(--text);
}
.form-input, .form-select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--text);
    background: var(--white);
}
.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}
textarea.form-input { resize: vertical; font-family: inherit; }
.form-help { font-size: 0.75rem; color: var(--text-light); margin-top: 0.25rem; display: block; }
.required { color: var(--danger); }

/* Dashboard */
.dashboard { max-width: 1100px; margin: 0 auto; }
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.portal-info h1 { font-size: 1.5rem; color: var(--dark); }
.portal-domain { color: var(--text-light); font-size: 0.875rem; }
.analysis-config {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.analysis-config h2 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}
.analysis-form { display: flex; flex-direction: column; gap: 0.75rem; }

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
}
.stat-value { font-size: 1.75rem; font-weight: 700; color: var(--dark); }
.stat-label { font-size: 0.75rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.25rem; }
.stat-success .stat-value { color: var(--success); }
.stat-danger .stat-value { color: var(--danger); }
.stat-warning .stat-value { color: var(--warning); }
.stat-info .stat-value { color: var(--accent); }
.stat-savings .stat-value { color: var(--primary); }

/* Progress Bars */
.progress-section { margin-bottom: 1rem; }
.progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}
.progress-bar {
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s;
}
.progress-success { background: var(--success); }
.progress-warning { background: var(--warning); }
.progress-danger { background: var(--danger); }
.text-success { color: var(--success); font-weight: 600; }
.text-warning { color: var(--warning); font-weight: 600; }
.text-danger { color: var(--danger); font-weight: 600; }

/* Taxonomy Grid */
.taxonomy-grid { display: flex; flex-direction: column; gap: 1rem; }
.taxonomy-item { padding: 0; }

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}
.data-table th {
    text-align: left;
    padding: 0.625rem 0.75rem;
    background: #f8fafc;
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.data-table td {
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: top;
}
.data-table tr:hover td { background: #fafbfc; }

/* Findings */
.finding-section { overflow: hidden; }
.finding-header {
    padding: 1rem 1.25rem;
    margin: -1.5rem -1.5rem 1rem -1.5rem;
    background: #fafbfc;
    border-bottom: 1px solid var(--border);
}
.finding-header h2 { font-size: 1rem; margin-bottom: 0.25rem; }
.finding-desc { font-size: 0.8125rem; color: var(--text-light); margin-bottom: 0.5rem; }
.finding-summary { display: flex; gap: 0.5rem; }
.recommendation-cell { max-width: 300px; font-size: 0.8125rem; color: var(--text-light); }

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #f1f5f9;
    color: var(--text);
}
.badge-savings { background: #ecfdf5; color: #065f46; }
.risk-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}
.risk-high { background: #fef2f2; color: #991b1b; }
.risk-medium { background: #fffbeb; color: #92400e; }
.risk-low { background: #f0fdf4; color: #166534; }
.status-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
.status-completed { background: #ecfdf5; color: #065f46; }
.status-running { background: #eff6ff; color: #1e40af; }

/* Savings */
.savings { color: var(--success); font-weight: 600; }
.text-savings { color: var(--success); }
.savings-summary { background: linear-gradient(135deg, #f5f3ff, #ede9fe); border-color: #c4b5fd; }
.savings-summary h2 { color: var(--primary-dark); }
.savings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}
.savings-item { text-align: center; }
.savings-label { font-size: 0.8125rem; color: var(--text-light); margin-bottom: 0.25rem; }
.savings-value { font-size: 1.5rem; font-weight: 700; color: var(--dark); }

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}
.header-content h1 { font-size: 1.5rem; color: var(--dark); }
.subtitle { font-size: 0.875rem; color: var(--text-light); }

/* Info Cards */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}
.info-card h3 { font-size: 0.9375rem; margin-bottom: 0.75rem; }
.info-card ul { padding-left: 1.25rem; font-size: 0.8125rem; color: var(--text-light); }
.info-card li { margin-bottom: 0.375rem; }

/* Recent Runs */
.recent-runs {
    margin-top: 1.5rem;
}
.recent-runs h2 { font-size: 1.125rem; margin-bottom: 0.75rem; }

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}
.alert-error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}
.empty-state h3 { color: var(--text); margin: 1rem 0 0.5rem; }
.empty-state a { color: var(--primary); }

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-light);
    font-size: 0.75rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}