/* ════════════════════════════════════════════════════════
   Collective Writings Visual Studio — studio.css
   Phalanx CTS Design Canon
   Aurum #C9A84C · Obsidian #0D0D0D · Charcoal #1A1A1A
   Cormorant Garamond + Bebas Neue + Inter
   ════════════════════════════════════════════════════════ */

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

:root {
  --aurum:    #C9A84C;
  --aurum-d:  #A8893C;
  --obsidian: #0D0D0D;
  --charcoal: #1A1A1A;
  --deep:     #111111;
  --panel:    #161616;
  --ecru:     #E8E4DC;
  --muted:    #6B6560;
  --border:   rgba(201,168,76,0.12);
  --border-h: rgba(201,168,76,0.35);
  --success:  #6FCF97;
  --warn:     #F2994A;
  --error:    #EB5757;
}

html { scroll-behavior: smooth; }

body {
  background: var(--obsidian);
  color: var(--ecru);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--deep); }
::-webkit-scrollbar-thumb { background: rgba(201,168,76,0.3); border-radius: 3px; }

/* ══════════════════════════════
   NAV
══════════════════════════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 56px;
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-home {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-cw {
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--aurum);
  letter-spacing: 0.5px;
}

.nav-sep { color: var(--muted); font-size: 14px; }

.nav-product {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--ecru);
  opacity: 0.7;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  flex: 1;
}

.nav-link {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 2px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover { color: var(--ecru); background: rgba(255,255,255,0.04); }
.nav-link.active { color: var(--aurum); background: rgba(201,168,76,0.08); }

.nav-badge {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--aurum);
  border: 1px solid var(--border-h);
  padding: 2px 8px;
  border-radius: 2px;
}

/* ══════════════════════════════
   HERO
══════════════════════════════ */
.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  background:
    radial-gradient(ellipse 60% 50% at 50% 60%, rgba(201,168,76,0.06) 0%, transparent 70%),
    linear-gradient(180deg, var(--obsidian) 0%, #0a0a0a 100%);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--aurum), transparent);
  opacity: 0.3;
}

.hero-eyebrow {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--aurum);
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 600;
  color: var(--ecru);
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.hero-title em {
  font-style: italic;
  color: var(--aurum);
}

.hero-sub {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 3rem;
  max-width: 480px;
}

.btn-hero {
  display: inline-block;
  background: var(--aurum);
  color: var(--obsidian);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 15px;
  letter-spacing: 3px;
  padding: 14px 40px;
  border-radius: 2px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
}

.btn-hero:hover { opacity: 0.9; transform: translateY(-1px); }

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  font-size: 20px;
  color: var(--muted);
  animation: bounce 2s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ══════════════════════════════
   APP SHELL + TABS
══════════════════════════════ */
.app-shell {
  min-height: 100vh;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ══════════════════════════════
   STUDIO LAYOUT
══════════════════════════════ */
.studio-layout {
  display: grid;
  grid-template-columns: 400px 1fr;
  min-height: calc(100vh - 56px);
}

/* ── CONTROL PANEL ── */
.control-panel {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 2rem;
  overflow-y: auto;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
}

.panel-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--aurum);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.field { margin-bottom: 1.25rem; }

label {
  display: block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

textarea, select, input[type="range"] {
  width: 100%;
  background: var(--deep);
  border: 1px solid var(--border);
  color: var(--ecru);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  padding: 0.65rem 0.9rem;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

textarea:focus, select:focus { border-color: var(--border-h); }
textarea { min-height: 120px; }

select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236B6560'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2rem;
}

input[type="range"] {
  padding: 0;
  height: 3px;
  cursor: pointer;
  accent-color: var(--aurum);
  border: none;
  background: var(--border);
}

.toggles {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--ecru);
}

.toggle input[type="checkbox"] {
  width: 14px; height: 14px;
  accent-color: var(--aurum);
  cursor: pointer;
}

.btn-generate {
  width: 100%;
  background: var(--aurum);
  color: var(--obsidian);
  border: none;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 15px;
  letter-spacing: 3px;
  padding: 0.9rem;
  cursor: pointer;
  border-radius: 2px;
  transition: opacity 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.btn-generate:hover { opacity: 0.9; }
.btn-generate:active { transform: scale(0.99); }
.btn-generate:disabled { opacity: 0.35; cursor: not-allowed; }

.btn-icon { font-size: 12px; }

.progress-box {
  margin-top: 1rem;
  background: var(--deep);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.75rem;
  font-size: 11px;
  max-height: 160px;
  overflow-y: auto;
  display: none;
  line-height: 2;
}

.progress-box.show { display: block; }

.log-line { color: var(--muted); }
.log-line.ok { color: var(--success); }
.log-line.warn { color: var(--warn); }
.log-line.err { color: var(--error); }

/* ── OUTPUT PANEL ── */
.output-panel {
  background: var(--obsidian);
  padding: 2.5rem;
  overflow-y: auto;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  text-align: center;
  gap: 1rem;
}

.empty-glyph {
  font-size: 40px;
  color: var(--muted);
  opacity: 0.3;
}

.empty-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
  color: var(--muted);
}

.empty-sub {
  font-size: 13px;
  color: var(--muted);
  opacity: 0.6;
  line-height: 1.8;
}

.results-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1rem;
}

.results-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 32px;
  font-weight: 600;
  color: var(--ecru);
  line-height: 1.2;
}

.results-meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 0.3rem;
  letter-spacing: 0.5px;
}

.btn-export, .btn-secondary {
  background: transparent;
  border: 1px solid var(--border-h);
  color: var(--aurum);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 11px;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}

.btn-export:hover, .btn-secondary:hover { background: rgba(201,168,76,0.08); }

/* ── SCENE CARDS ── */
.scenes-list { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 2.5rem; }

.scene-card {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.scene-card:hover { border-color: var(--border-h); }

.scene-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
}

.scene-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--obsidian);
  background: var(--aurum);
  padding: 2px 8px;
  border-radius: 1px;
}

.scene-dur {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 1px;
}

.scene-body {
  padding: 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.scene-col-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--aurum);
  opacity: 0.7;
  margin-bottom: 0.4rem;
}

.scene-narration {
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px;
  font-style: italic;
  line-height: 1.6;
  color: var(--ecru);
}

.scene-visual {
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.scene-image {
  grid-column: 1 / -1;
  margin-top: 0.5rem;
}

.scene-image img {
  width: 100%;
  border-radius: 2px;
  display: block;
  max-height: 280px;
  object-fit: cover;
}

.scene-audio {
  grid-column: 1 / -1;
}

.audio-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

audio {
  width: 100%;
  height: 34px;
  border-radius: 2px;
}

/* ── SORA SECTION ── */
.sora-section { margin-top: 1rem; }

.section-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--aurum);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.sora-card {
  background: var(--deep);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  position: relative;
}

.sora-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--aurum);
  margin-bottom: 0.4rem;
}

.sora-text {
  font-size: 12px;
  line-height: 1.7;
  color: var(--ecru);
  margin-bottom: 0.5rem;
  padding-right: 4rem;
}

.sora-narration {
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
}

.btn-copy {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(201,168,76,0.08);
  border: 1px solid var(--border-h);
  color: var(--aurum);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 9px;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 1px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-copy:hover { background: rgba(201,168,76,0.15); }

/* ══════════════════════════════
   LIBRARY TAB
══════════════════════════════ */
.page-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.page-header {
  display: flex;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.page-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px;
  font-weight: 600;
  color: var(--ecru);
  flex: 1;
}

.page-sub {
  font-size: 13px;
  color: var(--muted);
  flex-basis: 100%;
  margin-top: -1.5rem;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.library-card {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.25rem;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
}

.library-card:hover { border-color: var(--border-h); transform: translateY(-2px); }

.lib-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--ecru);
  margin-bottom: 0.3rem;
}

.lib-meta {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 0.75rem;
  letter-spacing: 0.5px;
}

.lib-manuscript {
  display: inline-block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--aurum);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 1px;
}

/* ══════════════════════════════
   PROJECTS TAB
══════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.project-card:hover { border-color: var(--border-h); }

.proj-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--ecru);
  margin-bottom: 0.25rem;
}

.proj-count {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--aurum);
}

/* ══════════════════════════════
   ABOUT TAB
══════════════════════════════ */
.about-page {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.about-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--aurum);
  margin-bottom: 1rem;
}

.about-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 40px;
  font-weight: 600;
  color: var(--ecru);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.about-title em { color: var(--aurum); }

.about-body {
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.about-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  text-align: left;
}

.stack-item {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.65rem 1rem;
  font-size: 13px;
  color: var(--ecru);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.stack-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--aurum);
  min-width: 55px;
}

.about-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
}

.about-link {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--aurum);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.about-link:hover { border-color: var(--aurum); }

.about-footer {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
}

/* ══════════════════════════════
   SITE FOOTER
══════════════════════════════ */
.site-footer {
  background: var(--deep);
  border-top: 1px solid var(--border);
  padding: 2rem;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
  color: var(--ecru);
}

.footer-cw { color: var(--aurum); font-weight: 600; }

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--aurum); }

.footer-copy {
  font-size: 11px;
  color: var(--muted);
  opacity: 0.6;
}

/* ══════════════════════════════
   SPINNER
══════════════════════════════ */
.spinner {
  display: inline-block;
  width: 12px; height: 12px;
  border: 2px solid rgba(13,13,13,0.3);
  border-top-color: var(--obsidian);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 960px) {
  .studio-layout { grid-template-columns: 1fr; }
  .control-panel { position: relative; top: auto; height: auto; }
  .scene-body { grid-template-columns: 1fr; }
  .about-stack { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .results-header { flex-direction: column; }
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ════════════════════════════════════════════════
   CW Studio — multi-lane additions
   ════════════════════════════════════════════════ */
.tab-panel { display: none; animation: fade .25s ease; }
.tab-panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.page-title { font-family: 'Cormorant Garamond', serif; font-size: 2.2rem; color: var(--aurum); font-weight: 700; margin-bottom: .25rem; }
.page-sub { color: var(--muted); margin-bottom: 1.5rem; }

.field { margin-bottom: 1.1rem; }
.field label { display: block; font-family: 'Bebas Neue', sans-serif; letter-spacing: .08em; color: var(--ecru); font-size: .8rem; margin-bottom: .4rem; }
.field input, .field textarea, .field select, .mbl-lane input, .mbl-lane textarea {
  width: 100%; background: var(--panel); border: 1px solid var(--border); color: var(--ecru);
  border-radius: 8px; padding: .7rem .85rem; font-family: 'Inter', sans-serif; font-size: 14px; resize: vertical;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--border-h); }

.btn-run {
  background: var(--aurum); color: var(--obsidian); border: none; border-radius: 8px;
  padding: .7rem 1.4rem; font-family: 'Bebas Neue', sans-serif; letter-spacing: .06em;
  font-size: 1rem; cursor: pointer; transition: background .2s; margin-top: .3rem;
}
.btn-run:hover { background: var(--aurum-d); }
.btn-run.sm { padding: .45rem .9rem; font-size: .85rem; margin-top: .5rem; }

.mbl-lanes { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.mbl-lane { background: var(--charcoal); border: 1px solid var(--border); border-radius: 10px; padding: 1rem; }
.mbl-lane .lane-h { font-family: 'Bebas Neue', sans-serif; color: var(--aurum); letter-spacing: .08em; margin-bottom: .6rem; }
.mbl-lane input, .mbl-lane textarea { margin-bottom: .5rem; }
@media (max-width: 860px) { .mbl-lanes { grid-template-columns: 1fr; } }

.out { margin-top: 1.2rem; }
.loading { color: var(--aurum); font-family: 'Bebas Neue', sans-serif; letter-spacing: .08em; padding: .8rem 0; }
.err { color: var(--error); background: rgba(235,87,87,.08); border: 1px solid rgba(235,87,87,.3); border-radius: 8px; padding: .8rem; }
.warn-banner { color: var(--warn); background: rgba(242,153,74,.08); border: 1px solid rgba(242,153,74,.3); border-radius: 8px; padding: .6rem .8rem; margin-bottom: .8rem; font-size: .85rem; }

.result-card { background: var(--charcoal); border: 1px solid var(--border); border-radius: 10px; padding: 1.1rem; }
.result-text { white-space: pre-wrap; font-family: 'Inter', sans-serif; color: var(--ecru); line-height: 1.7; font-size: 14px; }
.prompt-label { font-family: 'Bebas Neue', sans-serif; color: var(--aurum); letter-spacing: .08em; font-size: .8rem; margin-bottom: .5rem; text-transform: uppercase; }
.btn-copy { display: inline-block; margin-top: .8rem; margin-right: .5rem; background: transparent; border: 1px solid var(--border-h); color: var(--aurum); border-radius: 6px; padding: .4rem .9rem; font-size: .8rem; cursor: pointer; text-decoration: none; }
.btn-copy:hover { background: rgba(201,168,76,.1); }

.img-wrap { margin-top: 1rem; }
.gen-img { max-width: 100%; border-radius: 10px; border: 1px solid var(--border); display: block; }