/* Vintage Label Decoder — styles.css */
:root {
  --bg: #1a1714;
  --bg-card: #231f1a;
  --bg-panel: #2a2420;
  --border: #3d352d;
  --border-light: #4e443a;
  --text: #e8e0d4;
  --text-muted: #a89888;
  --text-dim: #7a6c5e;
  --accent: #c9a84c;
  --accent-light: #dfc06a;
  --accent-dark: #9e8338;
  --danger: #c94c4c;
  --success: #4ca864;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
  --font: 'Georgia', 'Times New Roman', serif;
  --font-mono: 'Courier New', Courier, monospace;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent-light); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  font-weight: bold;
  font-size: 1.1rem;
}
.logo:hover, .logo:focus { text-decoration: none; color: var(--accent-light); }
.logo-icon { flex-shrink: 0; }

.site-nav {
  display: flex;
  gap: 1.5rem;
}
.site-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover, .site-nav a:focus {
  color: var(--accent-light);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.2rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 3.5rem 0 2.5rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}
.hero h1 {
  font-size: 2.2rem;
  color: var(--accent-light);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Decoder grid */
.decoder-grid { padding: 2.5rem 0; }
.grid-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  align-items: start;
}

/* Decoder panel */
.decoder-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.decoder-panel h2 {
  color: var(--accent-light);
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.form-row { margin-bottom: 1.25rem; }
.form-row label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.form-row input[type="text"],
.form-row select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
}
.form-row input[type="text"]:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(201,168,76,0.2);
}

.mark-desc-label { font-size: 0.85rem; color: var(--text-muted); display: block; margin-bottom: 0.35rem; }
.mark-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}
.mark-options label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
}
.mark-options input[type="checkbox"] {
  accent-color: var(--accent);
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary:hover, .btn-primary:focus { background: var(--accent-light); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover, .btn-ghost:focus { border-color: var(--accent); color: var(--accent-light); }
.btn-danger:hover, .btn-danger:focus { border-color: var(--danger); color: var(--danger); }
.btn-ghost:disabled { opacity: 0.4; cursor: not-allowed; }

/* Result area */
.result-area {
  margin-top: 1.5rem;
  min-height: 80px;
}
.result-placeholder {
  color: var(--text-dim);
  font-style: italic;
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  text-align: center;
}
.result-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.result-card h3 {
  color: var(--accent-light);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}
.result-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
  margin-bottom: 0.75rem;
}
.result-meta dt { color: var(--text-dim); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.result-meta dd { color: var(--text); font-size: 0.95rem; }
.result-flags { margin-top: 0.75rem; }
.result-flags .flag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  margin: 0.2rem 0.2rem 0.2rem 0;
}
.flag-warn { background: rgba(201,76,76,0.15); color: var(--danger); border: 1px solid rgba(201,76,76,0.3); }
.flag-info { background: rgba(76,168,100,0.15); color: var(--success); border: 1px solid rgba(76,168,100,0.3); }
.flag-note { background: rgba(201,168,76,0.15); color: var(--accent); border: 1px solid rgba(201,168,76,0.3); }

.result-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.result-actions button {
  font-size: 0.85rem;
  padding: 0.4rem 0.8rem;
}

/* Quick examples */
.quick-examples { margin-top: 1.5rem; }
.quick-examples h3 { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.example-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: var(--font);
  transition: border-color 0.15s, color 0.15s;
}
.chip:hover, .chip:focus { border-color: var(--accent); color: var(--accent-light); }

/* Reference panel */
.reference-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: sticky;
  top: 4rem;
}
.reference-panel h2 { color: var(--accent-light); font-size: 1.2rem; margin-bottom: 0.25rem; }
.ref-intro { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 1.25rem; }
.ref-category { margin-bottom: 1.25rem; }
.ref-category h3 {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
}
.ref-list { list-style: none; }
.ref-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  line-height: 1.4;
}
.ref-list li:last-child { border-bottom: none; }
.ref-mark { flex-shrink: 0; width: 40px; height: 40px; }

/* Info section */
.info-section { padding: 2.5rem 0; border-top: 1px solid var(--border); }
.info-section h2 { color: var(--accent-light); font-size: 1.4rem; margin-bottom: 1.5rem; text-align: center; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.info-card h3 { color: var(--accent); font-size: 1rem; margin-bottom: 0.5rem; }
.info-card p { color: var(--text-muted); font-size: 0.9rem; }

/* History section */
.history-section { padding: 2.5rem 0; border-top: 1px solid var(--border); }
.history-section h2 { color: var(--accent-light); font-size: 1.4rem; margin-bottom: 0.25rem; }
.history-intro { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 1.25rem; }
.history-list { margin-bottom: 1rem; }
.history-empty { color: var(--text-dim); font-style: italic; }
.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  gap: 1rem;
}
.history-item-info { flex: 1; min-width: 0; }
.history-item-info strong { color: var(--accent-light); display: block; font-size: 0.9rem; }
.history-item-info span { color: var(--text-dim); font-size: 0.8rem; }
.history-item-actions { display: flex; gap: 0.4rem; flex-shrink: 0; }
.history-item-actions button {
  font-size: 0.8rem;
  padding: 0.3rem 0.6rem;
}
.history-actions { display: flex; gap: 0.75rem; }

/* Scenario section */
.scenario-section { padding: 2.5rem 0; border-top: 1px solid var(--border); }
.scenario-section h2 { color: var(--accent-light); font-size: 1.4rem; margin-bottom: 1.5rem; text-align: center; }
.scenario-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; }
.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.scenario-card h3 { color: var(--accent); font-size: 1rem; margin-bottom: 0.5rem; }
.scenario-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.55; }

/* FAQ section */
.faq-section { padding: 2.5rem 0; border-top: 1px solid var(--border); }
.faq-section h2 { color: var(--accent-light); font-size: 1.4rem; margin-bottom: 1.5rem; text-align: center; }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-list dt {
  color: var(--accent);
  font-weight: bold;
  font-size: 0.95rem;
  margin-top: 1.25rem;
  margin-bottom: 0.35rem;
}
.faq-list dd { color: var(--text-muted); font-size: 0.9rem; margin-left: 0; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  padding: 2rem 0 1.5rem;
  margin-top: 2rem;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  font-weight: bold;
  font-size: 0.95rem;
}
.footer-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-nav a { color: var(--text-muted); font-size: 0.85rem; }
.footer-nav a:hover { color: var(--accent-light); }
.footer-bottom { color: var(--text-dim); font-size: 0.8rem; }
.footer-bottom p { margin-bottom: 0.25rem; }

/* Responsive */
@media (max-width: 900px) {
  .grid-layout { grid-template-columns: 1fr; }
  .reference-panel { position: static; }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  .site-nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 1rem 1.5rem; gap: 0.75rem; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 1.6rem; }
  .hero-sub { font-size: 0.95rem; }
  .decoder-panel { padding: 1.25rem; }
  .result-meta { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .history-item { flex-direction: column; align-items: flex-start; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}

@media print {
  .site-header, .site-footer, .nav-toggle, .form-actions, .quick-examples, .reference-panel, .history-section, .scenario-section, .faq-section { display: none; }
  body { background: #fff; color: #000; }
  .decoder-panel { border: 1px solid #ccc; }
  .result-card { border: 1px solid #ccc; }
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}