:root {
  --bg: #0A0B0E;
  --panel: #0F1116;
  --panel2: #141720;
  --panel3: #1A1F2E;
  --border: #1E2433;
  --border2: #252D40;
  --gold: #E8A020;
  --gold2: #F5C040;
  --gold3: #C07808;
  --red: #E03030;
  --red2: #FF4444;
  --cyan: #20C8E0;
  --cyan2: #40E0F5;
  --green: #20C870;
  --t1: #E8EAF0;
  --t2: #8090A8;
  --t3: #3A4560;
  --film: #0D0E12;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; background: var(--bg); color: var(--t1); font-family: 'Rajdhani', sans-serif; }

/* ══ SCROLLBARS ══ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--panel); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--t3); }

/* ══ FILM STRIP TEXTURE ══ */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 8px, rgba(255,255,255,.008) 8px, rgba(255,255,255,.008) 9px),
    radial-gradient(ellipse at 0% 50%, rgba(232,160,32,.03), transparent 40%),
    radial-gradient(ellipse at 100% 50%, rgba(32,200,224,.03), transparent 40%);
}

/* ══ HEADER ══ */
header {
  height: 52px;
  background: var(--film);
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  flex-shrink: 0;
  position: relative;
  z-index: 50;
  box-shadow: 0 2px 20px rgba(0,0,0,.5);
}

/* Film strip holes in header */
header::before, header::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 8px;
}

.h-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.h-logo-icon {
  width: 32px; height: 32px;
  background: var(--gold);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 0 12px rgba(232,160,32,.4);
  flex-shrink: 0;
}
.h-logo-text {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px rgba(232,160,32,.3));
}
.h-logo-badge {
  background: var(--red);
  color: #fff;
  font-family: 'Share Tech Mono', monospace;
  font-size: .55rem;
  letter-spacing: 1px;
  padding: .15rem .4rem;
  border-radius: 3px;
  animation: badgePulse 2s ease-in-out infinite;
}
@keyframes badgePulse { 0%,100%{opacity:1} 50%{opacity:.6} }

.h-center {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: 'Share Tech Mono', monospace;
  font-size: .72rem;
  color: var(--t2);
}
.h-indicator {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.h-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: hDot 1.5s ease-in-out infinite;
  box-shadow: 0 0 6px rgba(32,200,112,.6);
}
@keyframes hDot { 0%,100%{transform:scale(1)} 50%{transform:scale(1.4)} }

.h-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.hbtn {
  padding: .38rem .9rem;
  border: none;
  cursor: pointer;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 3px;
  transition: all .2s;
}
.hbtn-ghost {
  background: transparent;
  color: var(--t2);
  border: 1px solid var(--border2);
}
.hbtn-ghost:hover { border-color: var(--gold3); color: var(--gold2); }
.hbtn-primary {
  background: linear-gradient(135deg, var(--gold3), var(--gold));
  color: #0A0800;
  box-shadow: 0 0 12px rgba(232,160,32,.25);
}
.hbtn-primary:hover { box-shadow: 0 0 20px rgba(232,160,32,.5); transform: translateY(-1px); }
.hbtn-danger {
  background: var(--red);
  color: #fff;
  box-shadow: 0 0 10px rgba(224,48,48,.2);
}
.hbtn-danger:hover { background: var(--red2); }

/* ══ MAIN LAYOUT ══ */
.app {
  display: grid;
  grid-template-columns: 340px 1fr 300px;
  grid-template-rows: 1fr;
  height: calc(100vh - 52px);
  position: relative;
  z-index: 1;
}

/* ══ PANEL STYLES ══ */
.panel {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.panel:last-child { border-right: none; border-left: 1px solid var(--border); }

.panel-header {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  background: var(--film);
}
.ph-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  letter-spacing: 3px;
  color: var(--gold2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ph-icon { font-size: 0.85rem; }
.ph-sub {
  font-family: 'Share Tech Mono', monospace;
  font-size: .58rem;
  color: var(--t3);
  letter-spacing: 1px;
}

/* ══ LEFT — CHAT PANEL ══ */
.chat-panel { grid-column: 1; }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.msg {
  display: flex;
  gap: 0.6rem;
  animation: msgIn .3s ease both;
}
@keyframes msgIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.msg-avatar {
  width: 28px; height: 28px;
  border-radius: 4px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  margin-top: 2px;
}
.msg-avatar.user { background: var(--panel3); border: 1px solid var(--border2); }
.msg-avatar.ai   { background: linear-gradient(135deg, var(--gold3), var(--gold)); color: #000; }

.msg-content { flex: 1; min-width: 0; }
.msg-role {
  font-family: 'Share Tech Mono', monospace;
  font-size: .58rem;
  letter-spacing: 1px;
  margin-bottom: .25rem;
}
.msg-role.user { color: var(--cyan2); }
.msg-role.ai   { color: var(--gold2); }

.msg-text {
  font-size: .88rem;
  line-height: 1.6;
  color: var(--t1);
}
.msg-text p + p { margin-top: .5rem; }
.msg-text strong { color: var(--gold2); }
.msg-text em { color: var(--cyan2); font-style: normal; }
.msg-text code {
  font-family: 'Share Tech Mono', monospace;
  font-size: .78rem;
  background: var(--panel3);
  padding: .1rem .35rem;
  border-radius: 3px;
  color: var(--cyan2);
}

/* Scene code block inside message */
.scene-block {
  margin-top: .7rem;
  border: 1px solid var(--border2);
  border-radius: 6px;
  overflow: hidden;
}
.scene-block-header {
  background: var(--panel3);
  padding: .4rem .7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'Share Tech Mono', monospace;
  font-size: .6rem;
  color: var(--gold2);
  letter-spacing: 1px;
}
.scene-preview-mini {
  height: 120px;
  background: #000;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.scene-preview-mini iframe {
  width: 100%; height: 100%;
  border: none;
  pointer-events: none;
}
.scene-preview-mini:hover::after {
  content: '▶ LOAD SCENE';
  position: absolute; inset: 0;
  background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  letter-spacing: 3px;
  color: var(--gold2);
}

/* AI thinking animation */
.thinking-dots {
  display: flex; gap: 4px; align-items: center; padding: 4px 0;
}
.thinking-dots span {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
  animation: thinkDot 1.2s ease-in-out infinite;
}
.thinking-dots span:nth-child(2) { animation-delay: .15s; }
.thinking-dots span:nth-child(3) { animation-delay: .30s; }
@keyframes thinkDot { 0%,80%,100%{transform:scale(.5);opacity:.3} 40%{transform:scale(1);opacity:1} }

/* Chat input */
.chat-input-wrap {
  padding: .8rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--film);
}

.quick-prompts {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  margin-bottom: .6rem;
}
.qp {
  padding: .22rem .6rem;
  background: var(--panel3);
  border: 1px solid var(--border2);
  border-radius: 100px;
  font-size: .62rem;
  color: var(--t2);
  cursor: pointer;
  transition: all .18s;
  white-space: nowrap;
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: .5px;
}
.qp:hover { border-color: var(--gold3); color: var(--gold2); background: rgba(232,160,32,.06); }

.input-row {
  display: flex;
  gap: .5rem;
  align-items: flex-end;
}
.chat-textarea {
  flex: 1;
  background: var(--panel3);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--t1);
  font-family: 'Rajdhani', sans-serif;
  font-size: .9rem;
  padding: .6rem .8rem;
  resize: none;
  outline: none;
  min-height: 40px;
  max-height: 120px;
  line-height: 1.4;
  transition: border-color .2s;
}
.chat-textarea:focus { border-color: var(--gold3); }
.chat-textarea::placeholder { color: var(--t3); font-size: .82rem; }

.send-btn {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--gold3), var(--gold));
  border: none;
  border-radius: 6px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: #0A0800;
  transition: all .2s;
  flex-shrink: 0;
  box-shadow: 0 0 10px rgba(232,160,32,.2);
}
.send-btn:hover { transform: scale(1.05); box-shadow: 0 0 18px rgba(232,160,32,.4); }
.send-btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }

/* ══ CENTER — VIEWPORT ══ */
.viewport-panel {
  display: flex;
  flex-direction: column;
  background: #000;
  overflow: hidden;
}

.viewport-toolbar {
  height: 44px;
  background: var(--film);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: 0 .8rem;
  flex-shrink: 0;
}
.vt-btn {
  padding: .3rem .75rem;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--t2);
  border-radius: 3px;
  cursor: pointer;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: .68rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all .18s;
  display: flex; align-items: center; gap: .3rem;
}
.vt-btn:hover { border-color: var(--gold3); color: var(--gold2); }
.vt-btn.active { background: rgba(232,160,32,.1); border-color: var(--gold3); color: var(--gold2); }
.vt-sep { width: 1px; height: 20px; background: var(--border); margin: 0 .2rem; }

.vt-scene-title {
  margin-left: auto;
  font-family: 'Share Tech Mono', monospace;
  font-size: .65rem;
  color: var(--t3);
  letter-spacing: 1px;
}

/* MAIN CANVAS */
.viewport-canvas {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(20,25,40,.8), #000),
    repeating-conic-gradient(rgba(255,255,255,.015) 0% 25%, transparent 0% 50%) 0 0 / 20px 20px;
  overflow: hidden;
}

/* CRT scanlines on viewport */
.viewport-canvas::after {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,.06) 2px, rgba(0,0,0,.06) 4px
  );
  pointer-events: none;
  z-index: 10;
}

.scene-frame {
  width: 800px;
  height: 450px;
  max-width: 100%;
  max-height: 100%;
  background: #000;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.05),
    0 20px 80px rgba(0,0,0,.8);
  z-index: 1;
}
.scene-frame iframe {
  width: 100%; height: 100%;
  border: none;
  display: block;
}

/* Empty state */
.viewport-empty {
  text-align: center;
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 0;
}
.ve-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: .3;
  animation: veFloat 4s ease-in-out infinite;
}
@keyframes veFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.ve-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  letter-spacing: 5px;
  color: var(--t3);
  margin-bottom: .5rem;
}
.ve-sub {
  font-family: 'Share Tech Mono', monospace;
  font-size: .68rem;
  color: var(--t3);
  letter-spacing: 2px;
  line-height: 2;
}

/* Timeline bar */
.timeline-bar {
  height: 48px;
  background: var(--film);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  padding: 0 .8rem;
  gap: .4rem;
}
.tl-scene {
  flex-shrink: 0;
  height: 32px;
  min-width: 80px;
  background: var(--panel3);
  border: 1px solid var(--border2);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .65rem;
  letter-spacing: 1px;
  color: var(--t2);
  transition: all .18s;
  gap: .3rem;
  padding: 0 .6rem;
  position: relative;
}
.tl-scene:hover { border-color: var(--gold3); color: var(--gold2); }
.tl-scene.active { background: rgba(232,160,32,.12); border-color: var(--gold); color: var(--gold2); }
.tl-del {
  position: absolute;
  top: -6px; right: -6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  font-size: .55rem;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
}
.tl-scene:hover .tl-del { display: flex; }
.tl-add {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border: 1px dashed var(--border2);
  border-radius: 3px;
  background: transparent;
  color: var(--t3);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all .18s;
}
.tl-add:hover { border-color: var(--gold3); color: var(--gold2); }
.tl-playhead {
  width: 2px;
  height: 100%;
  background: var(--red);
  position: absolute;
  top: 0;
  pointer-events: none;
  box-shadow: 0 0 6px rgba(224,48,48,.6);
}

/* ══ RIGHT — STORYBOARD ══ */
.storyboard-panel { grid-column: 3; }

.storyboard-list {
  flex: 1;
  overflow-y: auto;
  padding: .8rem;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.sb-card {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  transition: all .22s;
  position: relative;
}
.sb-card:hover { border-color: var(--gold3); transform: translateX(-2px); }
.sb-card.active { border-color: var(--gold); box-shadow: 0 0 15px rgba(232,160,32,.15); }
.sb-card-thumb {
  height: 90px;
  background: #000;
  position: relative;
  overflow: hidden;
}
.sb-card-thumb iframe { width: 100%; height: 100%; border: none; pointer-events: none; transform-origin: top left; }
.sb-card-num {
  position: absolute;
  top: 5px; left: 5px;
  font-family: 'Share Tech Mono', monospace;
  font-size: .6rem;
  background: rgba(0,0,0,.8);
  color: var(--gold2);
  padding: .1rem .4rem;
  border-radius: 2px;
}
.sb-card-body {
  padding: .6rem .7rem;
}
.sb-card-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: .9rem;
  letter-spacing: 2px;
  color: var(--t1);
  margin-bottom: .2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sb-card-desc {
  font-size: .72rem;
  color: var(--t3);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sb-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .5rem;
}
.sb-tag {
  font-family: 'Share Tech Mono', monospace;
  font-size: .56rem;
  padding: .1rem .4rem;
  border-radius: 2px;
  background: var(--panel3);
  color: var(--cyan2);
  letter-spacing: .5px;
}
.sb-del {
  width: 20px; height: 20px;
  background: rgba(224,48,48,.15);
  border: 1px solid rgba(224,48,48,.3);
  border-radius: 3px;
  color: var(--red2);
  font-size: .7rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .18s;
}
.sb-del:hover { background: rgba(224,48,48,.3); }

/* Empty storyboard */
.sb-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--t3);
}
.sb-empty-icon { font-size: 2.5rem; margin-bottom: .8rem; opacity: .4; }
.sb-empty-text { font-family: 'Barlow Condensed', sans-serif; font-size: .85rem; letter-spacing: 2px; line-height: 1.6; }

/* Export panel at bottom of storyboard */
.export-panel {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  padding: .8rem;
  background: var(--film);
}
.export-title {
  font-family: 'Share Tech Mono', monospace;
  font-size: .6rem;
  color: var(--t3);
  letter-spacing: 2px;
  margin-bottom: .5rem;
}
.export-btns { display: flex; gap: .4rem; }
.exp-btn {
  flex: 1;
  padding: .5rem;
  background: var(--panel3);
  border: 1px solid var(--border2);
  border-radius: 3px;
  color: var(--t2);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: .65rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .18s;
  text-align: center;
}
.exp-btn:hover { border-color: var(--gold3); color: var(--gold2); }
.exp-btn.primary { background: linear-gradient(135deg, #1A1000, #2A1800); border-color: var(--gold3); color: var(--gold2); }
.exp-btn.primary:hover { box-shadow: 0 0 12px rgba(232,160,32,.3); }

/* ══ MODAL ══ */
.modal-ov {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.modal-ov.open { display: flex; }
.modal-box {
  background: var(--panel);
  border: 1px solid var(--border2);
  border-radius: 8px;
  width: 500px;
  max-width: 95vw;
  position: relative;
  animation: modalIn .25s ease;
  box-shadow: 0 30px 80px rgba(0,0,0,.8);
}
@keyframes modalIn { from{opacity:0;transform:scale(.93)} to{opacity:1;transform:scale(1)} }
.modal-box::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.modal-header {
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 3px;
  color: var(--gold2);
}
.modal-close {
  background: none; border: none; color: var(--t2);
  cursor: pointer; font-size: 1rem; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 3px;
}
.modal-close:hover { background: var(--panel3); color: var(--t1); }
.modal-body { padding: 1.5rem; }
.modal-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: .62rem;
  letter-spacing: 2px;
  color: var(--t2);
  margin-bottom: .4rem;
  display: block;
}
.modal-input {
  width: 100%;
  background: var(--panel3);
  border: 1px solid var(--border2);
  border-radius: 4px;
  color: var(--t1);
  font-family: 'Rajdhani', sans-serif;
  font-size: .92rem;
  padding: .6rem .8rem;
  outline: none;
  transition: border-color .2s;
  margin-bottom: .8rem;
}
.modal-input:focus { border-color: var(--gold3); }
.modal-btns { display: flex; gap: .6rem; justify-content: flex-end; margin-top: 1rem; }
.mbtn {
  padding: .55rem 1.4rem;
  border: none; border-radius: 4px;
  cursor: pointer;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: .75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all .2s;
}
.mbtn-cancel { background: var(--panel3); color: var(--t2); }
.mbtn-cancel:hover { color: var(--t1); }
.mbtn-ok { background: linear-gradient(135deg, var(--gold3), var(--gold)); color: #0A0800; }
.mbtn-ok:hover { box-shadow: 0 0 15px rgba(232,160,32,.4); }

/* ══ TOAST ══ */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--panel);
  border: 1px solid var(--border2);
  color: var(--t1);
  padding: .6rem 1.5rem;
  border-radius: 4px;
  font-family: 'Share Tech Mono', monospace;
  font-size: .72rem;
  letter-spacing: 1px;
  z-index: 9999;
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast .t-icon { color: var(--gold2); margin-right: .5rem; }