:root {
    --color-primary: #1e3a8a;
    --color-primary-light: #3b82f6;
    --color-primary-dark: #1e40af;
    --color-accent: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-bg: #f8fafc;
    --color-bg-card: #ffffff;
    --color-text: #0f172a;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-body); background: var(--color-bg); color: var(--color-text); line-height: 1.6; }
.grain-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-image: url('data:image/svg+xml,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="noise"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="4"/></filter><rect width="100%" height="100%" filter="url(%23noise)" opacity="0.03"/></svg>'); pointer-events: none; z-index: 9999; opacity: 0.5; }
.container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; }
.header { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: white; padding: 2rem 0; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.logo { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }
.logo h1 { font-family: var(--font-display); font-size: 1.875rem; font-weight: 700; }
.header-subtitle { opacity: 0.9; font-size: 1rem; margin-left: 56px; }
.main { padding: 3rem 0; min-height: calc(100vh - 300px); }
.input-section { animation: fadeInUp 0.6s ease-out; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.input-card { background: var(--color-bg-card); border-radius: 16px; padding: 3rem; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1); border: 1px solid var(--color-border); margin-bottom: 2rem; }
.input-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%); }
.card-header { margin-bottom: 2rem; }
.card-header h2 { font-family: var(--font-display); font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.subtitle { color: var(--color-text-muted); font-size: 1.125rem; }
.info-banner { background: #eff6ff; border: 2px solid #3b82f6; border-radius: 12px; padding: 1.5rem; margin-bottom: 2rem; display: flex; gap: 1rem; }
.info-banner svg { flex-shrink: 0; color: #3b82f6; }
.form-group { margin-bottom: 2rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.75rem; }
.input-wrapper { position: relative; }
.input-icon { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); pointer-events: none; }
input[type="url"], input[type="number"] { width: 100%; padding: 1rem 1rem 1rem 3rem; border: 2px solid var(--color-border); border-radius: 12px; font-size: 1rem; transition: all 0.3s ease; background: var(--color-bg); }
input[type="number"] { padding-left: 1rem; max-width: 200px; }
input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1); background: white; }
.input-help { display: block; margin-top: 0.5rem; font-size: 0.875rem; color: var(--color-text-muted); }
.form-options { margin-bottom: 2rem; }
.option-group { display: flex; align-items: center; gap: 0.75rem; }
.advanced-toggle { background: transparent; border: 2px dashed var(--color-border); color: var(--color-text); padding: 0.6rem 1rem; border-radius: 10px; font-size: 0.95rem; font-weight: 600; cursor: pointer; margin-bottom: 1rem; transition: all 0.2s ease; }
.advanced-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(30, 58, 138, 0.05); }
.advanced-options { background: #f8fafc; border: 1px solid var(--color-border); border-radius: 12px; padding: 1rem; margin-bottom: 2rem; display: grid; gap: 1rem; }
.advanced-options.is-hidden { display: none; }
.btn-primary { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: white; border: none; padding: 1rem 2rem; border-radius: 12px; font-size: 1.125rem; font-weight: 600; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 0.75rem; width: 100%; transition: all 0.3s ease; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.btn-secondary { background: white; color: var(--color-text); border: 2px solid var(--color-border); padding: 0.75rem 1.5rem; border-radius: 12px; font-size: 0.95rem; font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: 0.5rem; transition: all 0.3s ease; }
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(30, 58, 138, 0.05); }
.info-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; animation: fadeInUp 0.6s ease-out 0.2s both; }
.info-card { background: var(--color-bg-card); padding: 2rem; border-radius: 12px; border: 1px solid var(--color-border); text-align: center; transition: all 0.3s ease; }
.info-card:hover { transform: translateY(-4px); box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); border-color: var(--color-primary); }
.info-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.info-card h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.info-card p { color: var(--color-text-muted); font-size: 0.95rem; }
.loading-section { animation: fadeInUp 0.6s ease-out; }
.loading-card { background: var(--color-bg-card); border-radius: 16px; padding: 4rem 3rem; text-align: center; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1); border: 1px solid var(--color-border); }
.spinner { width: 80px; height: 80px; border: 4px solid var(--color-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 2rem; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-card h2 { font-family: var(--font-display); font-size: 1.875rem; font-weight: 700; margin-bottom: 0.5rem; }
#loadingStatus { color: var(--color-text-muted); font-size: 1.125rem; margin-bottom: 2rem; }
.progress-bar { height: 8px; background: var(--color-border); border-radius: 999px; overflow: hidden; margin-bottom: 2rem; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%); border-radius: 999px; width: 0%; transition: width 0.5s ease; }
.loading-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; max-width: 400px; margin: 0 auto; }
.stat { display: flex; flex-direction: column; gap: 0.25rem; }
.stat-value { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; color: var(--color-primary); }
.stat-label { color: var(--color-text-muted); font-size: 0.875rem; }
.current-page { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.current-page small { color: var(--color-text-muted); font-family: monospace; }
.results-section { animation: fadeInUp 0.6s ease-out; }
.results-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 2rem; flex-wrap: wrap; gap: 1.5rem; }
.results-title h2 { font-family: var(--font-display); font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.results-title p { color: var(--color-text-muted); font-size: 1rem; }
.results-actions { display: flex; gap: 1rem; }
.results-controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-bottom: 2rem; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 12px; padding: 1rem; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05); }
.controls-group { display: flex; flex-direction: column; gap: 0.5rem; }
.controls-group.grow { grid-column: span 2; }
.controls-group label { font-weight: 600; font-size: 0.9rem; color: var(--color-text-muted); }
.results-controls select,
.results-controls input[type="text"] { width: 100%; padding: 0.75rem 0.9rem; border: 2px solid var(--color-border); border-radius: 10px; font-size: 0.95rem; background: var(--color-bg); transition: all 0.2s ease; }
.results-controls select:focus,
.results-controls input[type="text"]:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1); background: white; }
.advanced-options select { width: 100%; padding: 0.75rem 0.9rem; border: 2px solid var(--color-border); border-radius: 10px; font-size: 0.95rem; background: var(--color-bg); transition: all 0.2s ease; }
.advanced-options select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1); background: white; }
.criteria-summary { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 12px; padding: 1.5rem; margin-bottom: 2rem; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05); }
.criteria-header { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1rem; }
.criteria-header h3 { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; }
.criteria-subtitle { color: var(--color-text-muted); font-size: 0.9rem; }
.criteria-list { display: grid; gap: 0.75rem; }
.criteria-item { display: grid; grid-template-columns: 120px 1fr auto; gap: 1rem; padding: 0.75rem 1rem; border-radius: 10px; background: #f8fafc; border: 1px solid var(--color-border); }
.criteria-item .criterion { font-weight: 700; color: var(--color-primary); }
.criteria-item .theme { color: var(--color-text-muted); font-size: 0.9rem; }
.criteria-item .count { font-weight: 700; background: #e2e8f0; padding: 0.25rem 0.6rem; border-radius: 999px; }
.overview-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-bottom: 3rem; }
.overview-card { background: var(--color-bg-card); padding: 2rem; border-radius: 12px; border: 1px solid var(--color-border); box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }
.score-card { text-align: center; }
.score-circle { position: relative; width: 120px; height: 120px; margin: 0 auto 1.5rem; }
.score-circle svg { transform: rotate(-90deg); }
.score-bg { fill: none; stroke: var(--color-border); stroke-width: 8; }
.score-fill { fill: none; stroke: var(--color-primary); stroke-width: 8; stroke-linecap: round; stroke-dasharray: 339.292; stroke-dashoffset: 339.292; transition: stroke-dashoffset 1s ease-out; }
.score-value { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--color-primary); }
.score-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
.score-card p { color: var(--color-text-muted); }
.overview-stat { padding: 1rem 0; }
.overview-stat:not(:last-child) { border-bottom: 1px solid var(--color-border); margin-bottom: 1rem; }
.overview-number { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; display: block; margin-bottom: 0.25rem; }
.overview-stat.error .overview-number { color: var(--color-error); }
.overview-stat.warning .overview-number { color: var(--color-warning); }
.overview-stat.pages .overview-number, .overview-stat.issues .overview-number { color: var(--color-primary); }
.overview-label { color: var(--color-text-muted); font-size: 0.875rem; }
.page-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 12px; margin-bottom: 1.5rem; overflow: hidden; transition: all 0.3s ease; }
.page-card:hover { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }
.page-header { padding: 1.5rem; background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%); border-bottom: 1px solid var(--color-border); cursor: pointer; }
.page-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--color-text); }
.page-url { color: var(--color-text-muted); font-size: 0.875rem; font-family: monospace; margin-bottom: 1rem; word-break: break-all; }
.page-stats { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.page-stat { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; font-weight: 600; }
.badge { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.badge.error { background: var(--color-error); }
.badge.warning { background: var(--color-warning); }
.page-content { padding: 1.5rem; display: none; }
.page-card.expanded .page-content { display: block; }
.issue-item { background: #f8fafc; border-left: 4px solid #e2e8f0; border-radius: 8px; padding: 1.25rem; margin-bottom: 1rem; transition: all 0.3s ease; }
.issue-item:hover { background: white; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); }
.issue-item.error { border-left-color: var(--color-error); }
.issue-item.warning { border-left-color: var(--color-warning); }
.issue-header { display: flex; justify-content: space-between; align-items: start; margin-bottom: 0.75rem; }
.issue-criterion { font-weight: 700; color: var(--color-text); font-size: 0.9rem; }
.issue-theme { font-size: 0.813rem; color: var(--color-text-muted); background: #e2e8f0; padding: 0.25rem 0.75rem; border-radius: 999px; }
.issue-message { font-weight: 600; margin-bottom: 0.75rem; color: var(--color-text); font-size: 1rem; }
.issue-element { font-size: 0.875rem; color: #475569; margin-bottom: 0.75rem; font-family: monospace; background: #f1f5f9; padding: 0.5rem; border-radius: 4px; }
.issue-code { background: #1e293b; color: #e2e8f0; padding: 1rem; border-radius: 8px; font-family: monospace; font-size: 0.813rem; overflow-x: auto; margin-bottom: 0.75rem; line-height: 1.5; }
.issue-recommendation { font-size: 0.9rem; color: #059669; background: #ecfdf5; padding: 1rem; border-radius: 8px; border-left: 3px solid #059669; }
.footer { background: #0f172a; color: white; padding: 2rem 0; margin-top: 4rem; text-align: center; }
.footer p { margin-bottom: 0.5rem; opacity: 0.9; }
.footer-note { font-size: 0.875rem; opacity: 0.7; }
@media (max-width: 768px) { .container { padding: 0 1rem; } .input-card { padding: 2rem 1.5rem; } .results-header { flex-direction: column; } .results-actions { width: 100%; flex-direction: column; } .btn-secondary { width: 100%; justify-content: center; } }