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

:root {
  --color-bg: #FFF8F0;
  --color-surface: #FFFFFF;
  --color-surface-alt: #FDF2E9;
  --color-primary: #8B5E3C;
  --color-primary-dark: #6B4423;
  --color-primary-light: #A67B5B;
  --color-accent: #C17817;
  --color-text: #2C1810;
  --color-text-muted: #6B5A52;
  --color-text-light: #9B8A82;
  --color-border: #E8D5C4;
  --color-border-light: #F0E6DB;
  --color-success: #4A7C59;
  --color-error: #B85C5C;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(44, 24, 16, 0.08);
  --shadow-lg: 0 8px 32px rgba(44, 24, 16, 0.12);
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
  z-index: 100;
  font-size: 14px;
}
.skip-link:focus { top: 16px; }

/* ===== Header ===== */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
}

.header-nav {
  display: flex;
  gap: 24px;
}

.header-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}

.header-nav a:hover { color: var(--color-primary); }

/* ===== Hero ===== */
.hero {
  padding: 80px 0 64px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.2;
  max-width: 640px;
  margin: 0 auto 16px;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-primary);
}

.hero-sub {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  font-family: var(--font-sans);
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

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

.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-alt);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}

.btn-ghost:hover { color: var(--color-text); }

.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== Section Titles ===== */
.section-title {
  font-family: var(--font-serif);
  font-size: 28px;
  margin-bottom: 24px;
}

.section-sub {
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 600px;
}

/* ===== Builder ===== */
.builder-section {
  padding: 64px 0;
}

.builder-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.builder-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}

.builder-panel .section-title { margin-bottom: 28px; }

.field-group {
  margin-bottom: 24px;
}

.field-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.field-input,
.field-select,
.field-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition);
}

.field-input:focus,
.field-select:focus,
.field-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 94, 60, 0.15);
}

.field-textarea { resize: vertical; }

.field-hint {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 6px;
}

/* Tone buttons */
.tone-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tone-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  cursor: pointer;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--color-text);
  transition: all var(--transition);
}

.tone-btn:hover { border-color: var(--color-primary-light); }

.tone-btn.active {
  border-color: var(--color-primary);
  background: var(--color-surface-alt);
  color: var(--color-primary-dark);
  font-weight: 600;
}

.tone-icon { font-size: 18px; }

/* Duration buttons */
.duration-options {
  display: flex;
  gap: 8px;
}

.duration-btn {
  padding: 8px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  cursor: pointer;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--color-text);
  transition: all var(--transition);
}

.duration-btn:hover { border-color: var(--color-primary-light); }

.duration-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

/* Builder actions */
.builder-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

/* ===== Preview Panel ===== */
.preview-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  display: flex;
  flex-direction: column;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 8px;
}

.preview-header .section-title { margin-bottom: 0; }

.preview-stats {
  display: flex;
  gap: 16px;
}

.stat {
  font-size: 13px;
  color: var(--color-text-muted);
  background: var(--color-surface-alt);
  padding: 4px 10px;
  border-radius: 20px;
}

.stat.over-limit {
  background: #FDE8E8;
  color: var(--color-error);
}

.toast-output {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  min-height: 200px;
}

.toast-empty {
  color: var(--color-text-light);
  text-align: center;
  padding: 40px 20px;
}

.toast-empty-sub {
  font-size: 14px;
  margin-top: 8px;
}

.toast-text p {
  margin-bottom: 16px;
}

.toast-text p:last-child { margin-bottom: 0; }

.toast-line {
  display: block;
  margin-bottom: 12px;
}

.preview-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* Saved drafts */
.saved-drafts {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
}

.saved-drafts h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text-muted);
}

.drafts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.draft-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  background: var(--color-bg);
  border-radius: var(--radius);
  font-size: 13px;
}

.draft-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.draft-item-actions {
  display: flex;
  gap: 4px;
}

.draft-item-actions button {
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  cursor: pointer;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.draft-item-actions button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== Examples ===== */
.examples-section {
  padding: 64px 0;
  background: var(--color-surface);
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.example-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.example-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.example-tone {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--color-surface-alt);
  color: var(--color-primary);
  padding: 3px 8px;
  border-radius: 4px;
}

.example-card blockquote {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
  border-left: 3px solid var(--color-primary-light);
  padding-left: 16px;
  margin-bottom: 12px;
}

.example-meta {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ===== Guide ===== */
.guide-section {
  padding: 64px 0;
}

.guide-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

.guide-main h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin: 32px 0 12px;
}

.guide-main h3:first-of-type { margin-top: 0; }

.guide-main ol,
.guide-main ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.guide-main li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.guide-main p {
  margin-bottom: 16px;
  line-height: 1.7;
}

.guide-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}

.sidebar-card h3 {
  font-family: var(--font-serif);
  font-size: 16px;
  margin-bottom: 12px;
}

.sidebar-card dl { display: flex; flex-direction: column; gap: 10px; }
.sidebar-card dt { font-weight: 600; font-size: 14px; }
.sidebar-card dd { font-size: 13px; color: var(--color-text-muted); }

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checklist label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
}

.checklist input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
}

.sidebar-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer-inner a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-inner a:hover { color: var(--color-primary); }

.footer-nav {
  display: flex;
  gap: 20px;
}

/* ===== Toast ===== */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--color-text);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 100;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ===== Print Styles ===== */
@media print {
  body { background: #fff; color: #000; }
  .site-header, .site-footer, .builder-panel, .preview-actions, .saved-drafts, .hero, .examples-section, .guide-section { display: none !important; }
  .builder-section { padding: 0; }
  .builder-layout { display: block; }
  .preview-panel {
    position: static;
    box-shadow: none;
    border: none;
    padding: 0;
    max-height: none;
  }
  .preview-header { display: none; }
  .toast-output {
    border: none;
    padding: 0;
    font-size: 18px;
    line-height: 2;
  }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .builder-layout { grid-template-columns: 1fr; }
  .preview-panel { position: static; max-height: none; }
  .guide-layout { grid-template-columns: 1fr; }
  .guide-sidebar { flex-direction: row; flex-wrap: wrap; }
  .sidebar-card { flex: 1; min-width: 240px; }
}

@media (max-width: 600px) {
  .header-inner { height: 52px; }
  .logo-text { display: none; }
  .header-nav { gap: 16px; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 16px; }
  .builder-panel, .preview-panel { padding: 20px; }
  .tone-options { flex-direction: column; }
  .tone-btn { justify-content: center; }
  .preview-actions { flex-direction: column; }
  .preview-actions .btn { width: 100%; }
  .example-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}



/* 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;
}