/* ScriptSpark — matches Viralyze landing page design system */

:root {
  --bg: #0D0D11;
  --surface: #16161D;
  --surface2: #1E1E27;
  --accent: #7C3AED;
  --accent2: #F97316;
  --fg: #F4F4F5;
  --fg-muted: #A1A1AA;
  --fg-dim: #52525B;
  --border: #27272A;
  --radius: 12px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ─────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 48px;
  border-bottom: 1px solid var(--border);
  max-width: 1280px;
  margin: 0 auto;
}
.nav-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
  color: var(--fg);
}
.nav-tag {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-link {
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.2s;
}
.nav-link:hover { color: var(--fg); border-color: var(--fg-dim); }

/* ── LAYOUT ──────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ── HERO (landing) ───────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 80px 48px;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.hero-eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent2);
  font-weight: 600;
  margin-bottom: 18px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 440px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}
.hero-cta:hover { opacity: 0.88; }

.preview-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  position: relative;
  font-size: 14px;
  color: var(--fg-muted);
}
.preview-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: var(--radius) var(--radius) 0 0;
}
.preview-card strong { color: var(--fg); display: block; margin-bottom: 6px; font-size: 13px; }
.preview-card span { display: block; margin-top: 4px; }

/* ── SCRIPT SPARK APP ────────────────────────────────── */
.app-section {
  padding: 64px 0 96px;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 48px;
  padding-right: 48px;
}

.generator-panel {
  max-width: 720px;
  margin: 0 auto;
}

/* Input group */
.input-group {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
}

.topic-input {
  flex: 1;
  padding: 14px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
.topic-input::placeholder { color: var(--fg-dim); }
.topic-input:focus { border-color: var(--accent); }

.generate-btn {
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-family: inherit;
  font-weight: 600;
  font-size: 15px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s, transform 0.1s;
}
.generate-btn:hover:not(:disabled) { opacity: 0.88; }
.generate-btn:active:not(:disabled) { transform: scale(0.98); }
.generate-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* Loading */
.loading-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--fg-muted);
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-state p { font-size: 14px; }

/* Error */
.error-msg {
  padding: 16px 20px;
  background: #2d1215;
  border: 1px solid #6b2126;
  border-radius: var(--radius);
  color: #fca5a5;
  font-size: 14px;
  margin-bottom: 24px;
}

/* Results */
.results-panel { display: none; }

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent2);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

/* Hooks */
.hook-list { display: flex; flex-direction: column; gap: 10px; }
.hook-item {
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--fg);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.hook-num {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

/* Scripts */
.script-list { display: flex; flex-direction: column; gap: 16px; }
.script-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.script-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.script-card h4 {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.script-row { margin-bottom: 8px; }
.script-row-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent2);
  font-weight: 600;
  margin-bottom: 4px;
}
.script-row p { font-size: 13px; color: var(--fg-muted); line-height: 1.55; }

/* Faceless */
.faceless-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 40px;
}
.faceless-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  position: relative;
}
.faceless-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 14px;
  color: var(--accent2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.faceless-content h4 { font-size: 14px; font-weight: 600; color: var(--fg); margin-bottom: 10px; }
.faceless-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.faceless-field-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  font-weight: 600;
  margin-bottom: 4px;
}
.faceless-field p { font-size: 12px; color: var(--fg-muted); line-height: 1.5; }

/* Captions */
.captions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 40px;
}
.caption-chip {
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.55;
}
.captions-full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

/* CTAs */
.cta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cta-chip {
  padding: 10px 18px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--fg);
  font-weight: 500;
}

/* Bottom bar */
.bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.topic-badge {
  font-size: 13px;
  color: var(--fg-muted);
}
.topic-badge strong { color: var(--fg); }
.regenerate-btn {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg-muted);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.regenerate-btn:hover { color: var(--fg); border-color: var(--fg-dim); }

/* ── COPY BUTTON ─────────────────────────────────────── */
.copy-btn {
  float: right;
  padding: 5px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg-dim);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
}
.copy-btn:hover { color: var(--fg); border-color: var(--fg-dim); }
.copy-btn.copied { color: #4ade80; border-color: #4ade80; }

/* ── FOOTER ──────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 48px;
  text-align: center;
  color: var(--fg-dim);
  font-size: 13px;
}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 48px 24px; }
  .nav { padding: 18px 24px; }
  .container, .app-section { padding-left: 24px; padding-right: 24px; }
  .results-grid { grid-template-columns: 1fr; }
  .captions-grid, .captions-full { grid-template-columns: 1fr; }
  .faceless-fields { grid-template-columns: 1fr; }
  .input-group { flex-direction: column; }
}