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

:root {
  --bg: #0f1117;
  --bg-surface: #181b25;
  --bg-card: #1e2231;
  --bg-card-hover: #252a3b;
  --border: #2a2f40;
  --border-light: #353b4f;
  --text: #e2e4ed;
  --text-muted: #8b8fa3;
  --text-dim: #5c6078;
  --accent: #7c9eff;
  --accent-hover: #94b0ff;
  --accent-glow: rgba(124, 158, 255, 0.15);
  --gold: #f0c040;
  --gold-dim: rgba(240, 192, 64, 0.15);
  --danger: #f06060;
  --danger-dim: rgba(240, 96, 96, 0.12);
  --success: #50d080;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --max-width: 1100px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 60px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; top: -100px; left: 16px; z-index: 100;
  background: var(--accent); color: #000; padding: 8px 16px;
  border-radius: var(--radius-sm); font-weight: 600;
}
.skip-link:focus { top: 16px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; gap: 16px;
}
.logo {
  display: flex; align-items: center; gap: 8px;
  color: var(--text); font-weight: 700; font-size: 1.05rem;
  flex-shrink: 0;
}
.logo:hover { color: var(--accent); }
.logo-icon { color: var(--accent); flex-shrink: 0; }

.site-nav {
  display: flex; gap: 4px; align-items: center;
}
.site-nav a {
  color: var(--text-muted); padding: 6px 12px;
  border-radius: var(--radius-sm); font-size: 0.9rem;
  transition: all var(--transition);
}
.site-nav a:hover { color: var(--text); background: var(--bg-surface); }

/* ===== Hero ===== */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(124,158,255,0.08) 0%, transparent 60%);
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800; line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.1rem; color: var(--text-muted);
  max-width: 560px; margin: 0 auto 32px;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
  transition: all var(--transition); font-family: var(--font);
  line-height: 1.4;
}
.btn-primary {
  background: var(--accent); color: #000;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #000; }
.btn-ghost {
  background: transparent; color: var(--text-muted);
  border-color: var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-light); background: var(--bg-surface); }
.btn-small { padding: 6px 14px; font-size: 0.85rem; }
.btn-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn-danger:hover { background: var(--danger-dim); }

/* ===== Filter Section ===== */
.filter-section { padding: 32px 0; }
.section-title {
  font-size: 1.4rem; font-weight: 700; margin-bottom: 20px;
}
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-bottom: 20px;
}
.section-actions { display: flex; gap: 8px; }
.section-desc { color: var(--text-muted); margin-bottom: 20px; max-width: 600px; }

.filter-bar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end;
  margin-bottom: 16px;
}
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group-wide { flex: 1; min-width: 200px; }
.filter-label {
  font-size: 0.8rem; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.filter-select, .filter-input {
  padding: 8px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-surface);
  color: var(--text); font-size: 0.9rem; font-family: var(--font);
  transition: border-color var(--transition); min-width: 140px;
}
.filter-input { width: 100%; }
.filter-select:focus, .filter-input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.results-meta {
  display: flex; align-items: center; justify-content: space-between;
  color: var(--text-dim); font-size: 0.85rem;
}

/* ===== Card Grid ===== */
.card-section { padding: 16px 0 40px; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.prompt-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
  transition: all var(--transition);
  position: relative;
}
.prompt-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.prompt-card:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.card-badges {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.badge {
  display: inline-block; padding: 2px 10px;
  border-radius: 20px; font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.badge-tone { background: rgba(124,158,255,0.15); color: var(--accent); }
.badge-arch { background: rgba(240,192,64,0.15); color: var(--gold); }
.badge-setting { background: rgba(80,208,128,0.12); color: var(--success); }
.badge-custom { background: rgba(240,96,96,0.12); color: var(--danger); }

.card-body { flex: 1; }
.card-voice {
  font-size: 1rem; font-weight: 600; line-height: 1.4;
  margin-bottom: 6px;
}
.card-mannerism {
  font-size: 0.9rem; color: var(--text-muted); line-height: 1.5;
}
.card-combined {
  font-size: 0.85rem; color: var(--text-dim);
  font-style: italic; margin-top: 8px;
  padding-top: 8px; border-top: 1px solid var(--border);
}

.card-actions {
  display: flex; align-items: center; gap: 8px;
}
.card-copy-btn {
  flex: 1; padding: 8px 16px;
  background: var(--bg-surface); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  transition: all var(--transition); font-family: var(--font);
}
.card-copy-btn:hover { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }
.card-copy-btn:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.star-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer;
  color: var(--text-dim); transition: all var(--transition);
  flex-shrink: 0;
}
.star-btn:hover { border-color: var(--gold); color: var(--gold); }
.star-btn[aria-pressed="true"] {
  background: var(--gold-dim); border-color: var(--gold); color: var(--gold);
}
.star-btn svg { width: 18px; height: 18px; }

/* ===== Favorites ===== */
.favorites-section {
  padding: 40px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ===== Add Form ===== */
.add-section { padding: 40px 0; }
.add-form {
  display: flex; flex-direction: column; gap: 16px;
  max-width: 700px;
}
.form-row {
  display: flex; gap: 16px; flex-wrap: wrap;
}
.form-group {
  display: flex; flex-direction: column; gap: 4px;
  flex: 1; min-width: 180px;
}
.form-label {
  font-size: 0.85rem; font-weight: 600; color: var(--text-muted);
}
.required { color: var(--danger); }
.form-input, .form-select {
  padding: 10px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-surface);
  color: var(--text); font-size: 0.95rem; font-family: var(--font);
  transition: border-color var(--transition);
}
.form-input:focus, .form-select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-feedback {
  font-size: 0.85rem; color: var(--success); min-height: 1.4em;
}

/* ===== Guide Section ===== */
.guide-section { padding: 40px 0 60px; }
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px; margin-bottom: 40px;
}
.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.guide-card h3 {
  font-size: 1rem; font-weight: 700; margin-bottom: 8px;
  color: var(--accent);
}
.guide-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

.guide-notes {
  display: flex; flex-direction: column; gap: 24px;
}
.guide-notes h3 {
  font-size: 1.1rem; font-weight: 700; margin-bottom: 12px;
}
.guide-notes p, .guide-notes li {
  font-size: 0.95rem; color: var(--text-muted); line-height: 1.7;
}
.guide-notes ul { padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.guide-notes strong { color: var(--text); }

/* ===== Empty State ===== */
.empty-state {
  text-align: center; padding: 40px 20px;
  color: var(--text-dim); font-size: 0.95rem;
}
.empty-state a { color: var(--accent); text-decoration: underline; }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 100;
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border-light);
  padding: 12px 20px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500;
  box-shadow: var(--shadow);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast[hidden] { display: none; }

/* ===== Footer ===== */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 32px 0;
  background: var(--bg-surface);
}
.footer-inner {
  display: flex; flex-direction: column; gap: 12px;
  align-items: center; text-align: center;
}
.footer-brand { font-weight: 600; color: var(--text); }
.footer-nav { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.footer-nav a { color: var(--text-muted); font-size: 0.85rem; }
.footer-nav a:hover { color: var(--text); }
.footer-meta { font-size: 0.8rem; color: var(--text-dim); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 1.6rem; }
  .hero-sub { font-size: 1rem; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-group-wide { min-width: unset; }
  .filter-select, .filter-input { width: 100%; }
  .card-grid { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; }
  .header-inner { flex-wrap: wrap; height: auto; padding: 10px 0; gap: 8px; }
  .site-nav { width: 100%; justify-content: center; flex-wrap: wrap; }
  .site-nav a { font-size: 0.8rem; padding: 4px 8px; }
}

@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; }
  .section-header { flex-direction: column; align-items: flex-start; }
}

/* ===== Tone Badge Variants ===== */
.badge-tone[data-tone="gruff"] { background: rgba(240,192,64,0.12); color: var(--gold); }
.badge-tone[data-tone="cheerful"] { background: rgba(80,208,128,0.12); color: var(--success); }
.badge-tone[data-tone="nervous"] { background: rgba(240,96,96,0.12); color: var(--danger); }
.badge-tone[data-tone="calm"] { background: rgba(124,158,255,0.12); color: var(--accent); }
.badge-tone[data-tone="sly"] { background: rgba(180,120,240,0.12); color: #b478f0; }
.badge-tone[data-tone="booming"] { background: rgba(240,160,60,0.12); color: #f0a03c; }
.badge-tone[data-tone="whispery"] { background: rgba(120,200,200,0.12); color: #78c8c8; }
.badge-tone[data-tone="weary"] { background: rgba(160,160,180,0.12); color: #a0a0b4; }
.badge-tone[data-tone="eager"] { background: rgba(240,200,60,0.12); color: #f0c83c; }
.badge-tone[data-tone="haughty"] { background: rgba(220,160,240,0.12); color: #dca0f0; }



/* 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;
}