:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #68727d;
  --line: #dce0e3;
  --panel: #ffffff;
  --canvas: #e8ebed;
  --navy: #071b2d;
  --navy-soft: #102b42;
  --gold: #c5a35a;
  --gold-light: #f1ddb0;
  --cream: #f8f3e9;
  --green: #2f6b58;
  --shadow: 0 16px 45px rgba(15, 24, 32, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--canvas); }
body { margin: 0; min-height: 100vh; color: var(--ink); background: var(--canvas); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 10px 22px;
  color: #fff;
  background: #101820;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.topbar-brand, .topbar-actions, .toolbar-actions, .export-actions { display: flex; align-items: center; }
.topbar-brand { gap: 11px; }
.topbar-brand div:last-child { display: grid; gap: 2px; }
.topbar-brand strong { font-size: 14px; }
.topbar-brand span { color: #9da8b1; font-size: 11px; }
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #101820;
  background: var(--gold-light);
  border: 1px solid var(--gold);
  font-family: Georgia, serif;
  font-size: 20px;
  font-weight: 700;
}
.topbar-actions { gap: 8px; }
.save-status { margin-right: 8px; color: #98a5ae; font-size: 11px; }

.workspace {
  display: grid;
  grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
  min-height: calc(100vh - 68px);
}

.sidebar {
  position: relative;
  z-index: 5;
  padding: 24px;
  overflow: auto;
  background: var(--panel);
  border-right: 1px solid var(--line);
}

.sidebar-heading, .export-heading, .canvas-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sidebar-heading { margin-bottom: 22px; }
.section-kicker {
  display: block;
  margin-bottom: 4px;
  color: var(--green);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.sidebar-heading h1 { margin-bottom: 0; font-family: Georgia, serif; font-size: 26px; letter-spacing: 0; }
.step-badge {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--green);
  border: 1px solid #b8d0c8;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
}

.form-stack { display: grid; gap: 15px; }
.field { display: grid; gap: 7px; min-width: 0; }
.field > span { color: #3e4851; font-size: 12px; font-weight: 700; }
.field small { color: #899198; font-size: 10px; }
input, select, textarea {
  width: 100%;
  color: var(--ink);
  background: #fff;
  border: 1px solid #cfd5d9;
  border-radius: 6px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
input, select { height: 40px; padding: 0 11px; }
textarea { min-height: 72px; padding: 10px 11px; line-height: 1.45; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(47, 107, 88, 0.12); }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.field-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.upload-field {
  display: flex;
  align-items: center;
  min-height: 68px;
  padding: 12px;
  gap: 12px;
  color: #44505a;
  background: #f8faf9;
  border: 1px dashed #aebdb8;
  border-radius: 6px;
  cursor: pointer;
}
.upload-field:hover { background: #f0f6f3; border-color: var(--green); }
.upload-field input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.upload-field > span:last-child { display: grid; gap: 3px; }
.upload-field strong { font-size: 12px; }
.upload-field small { color: #7b868e; font-size: 10px; }
.upload-icon {
  display: grid;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--green);
  border: 1px solid #bbcec7;
  border-radius: 50%;
  font-size: 20px;
}
.image-preview-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.image-chip { position: relative; overflow: hidden; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 5px; }
.image-chip img { width: 100%; height: 100%; object-fit: cover; }
.image-chip button {
  position: absolute;
  top: 3px;
  right: 3px;
  display: grid;
  width: 20px;
  height: 20px;
  padding: 0;
  place-items: center;
  color: #fff;
  background: rgba(12, 19, 24, 0.78);
  border: 0;
  border-radius: 50%;
  font-size: 12px;
}

.reference-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8faf9;
}
.reference-card summary {
  padding: 10px 12px;
  color: #45515a;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}
.reference-card img {
  display: block;
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  background: var(--navy);
}

.button, .icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid #cdd3d7;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}
.button:hover, .icon-button:hover { transform: translateY(-1px); }
.button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}
.button.primary { color: #fff; background: var(--green); border-color: var(--green); }
.button.primary:hover { background: #255846; }
.button.ghost { color: #d8dee2; background: transparent; border-color: #39444d; }
.generate-button { width: 100%; min-height: 44px; margin-top: 3px; }
.icon-button { min-width: 38px; padding: 0 9px; color: #36414a; background: #fff; }

.export-box { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.export-heading { margin-bottom: 10px; }
.export-heading h2 { margin-bottom: 0; font-family: Georgia, serif; font-size: 19px; }
.export-heading > span { color: #8a939a; font-size: 10px; }
#promptOutput {
  min-height: 190px;
  color: #d8e0e5;
  background: #121c24;
  border-color: #121c24;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  line-height: 1.55;
}
.export-actions { margin-top: 8px; gap: 6px; }
.export-actions .button { flex: 1; }

.canvas-area {
  min-width: 0;
  background: linear-gradient(rgba(255,255,255,.4) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.4) 1px, transparent 1px), #e4e7e9;
  background-size: 24px 24px;
}
.canvas-toolbar {
  position: sticky;
  top: 68px;
  z-index: 10;
  min-height: 58px;
  padding: 10px 22px;
  background: rgba(246, 247, 248, 0.96);
  border-bottom: 1px solid #d4d9dc;
  backdrop-filter: blur(10px);
}
.canvas-toolbar > div:first-child { display: grid; }
.canvas-toolbar strong { font-size: 13px; }
.toolbar-actions { gap: 7px; }
#zoomLabel { width: 42px; color: #69737b; font-size: 10px; text-align: center; }
.switch-label { display: inline-flex; align-items: center; margin-right: 8px; gap: 7px; color: #4f5a62; font-size: 11px; font-weight: 700; cursor: pointer; }
.switch-label input { position: absolute; opacity: 0; pointer-events: none; }
.switch { position: relative; width: 32px; height: 18px; background: #b9c0c5; border-radius: 20px; transition: background 150ms ease; }
.switch::after { position: absolute; top: 3px; left: 3px; width: 12px; height: 12px; content: ""; background: #fff; border-radius: 50%; transition: transform 150ms ease; }
.switch-label input:checked + .switch { background: var(--green); }
.switch-label input:checked + .switch::after { transform: translateX(14px); }

.poster-stage { min-height: calc(100vh - 126px); padding: 30px; overflow: auto; }
.poster-scaler { position: relative; margin: 0 auto; }
.storyboard-poster {
  position: relative;
  width: 1080px;
  margin: 0;
  overflow: hidden;
  color: var(--navy);
  background: var(--cream);
  border: 8px solid var(--navy);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform-origin: top center;
  transition: transform 180ms ease;
}
.storyboard-poster::before, .storyboard-poster::after {
  position: absolute;
  z-index: 0;
  width: 220px;
  height: 220px;
  content: "";
  opacity: .22;
  border: 1px solid var(--gold);
  border-radius: 50%;
}
.storyboard-poster::before { top: -145px; left: -90px; }
.storyboard-poster::after { top: -130px; right: -100px; }
.poster-header { position: relative; z-index: 1; padding: 22px 32px 0; color: #fff; background: var(--navy); text-align: center; }
.poster-kicker { display: inline-block; margin-bottom: 6px; padding: 5px 20px; color: var(--navy); background: var(--gold-light); border: 1px solid var(--gold); border-radius: 4px; font-family: Georgia, serif; font-size: 12px; font-weight: 800; text-transform: uppercase; }
.poster-header h2 { margin-bottom: 4px; color: var(--gold-light); font-family: Georgia, serif; font-size: 40px; letter-spacing: 1px; text-transform: uppercase; }
.poster-header p { margin-bottom: 17px; color: #e7e9ea; font-size: 13px; }
.value-strip { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid rgba(197, 163, 90, .75); border-bottom: 0; border-radius: 7px 7px 0 0; }
.value-item { display: grid; grid-template-columns: 36px 1fr; padding: 11px 14px; gap: 2px 9px; text-align: left; }
.value-item + .value-item { border-left: 1px solid rgba(197, 163, 90, .5); }
.value-icon { display: grid; grid-row: 1 / 3; width: 32px; height: 32px; place-items: center; color: var(--gold-light); border: 1px solid var(--gold); border-radius: 50%; font-family: Georgia, serif; font-weight: 700; }
.value-item strong { align-self: end; color: var(--gold-light); font-size: 11px; text-transform: uppercase; }
.value-item small { color: #d9dfe2; font-size: 9px; }

.table-scroll { overflow: hidden; }
.storyboard-table { width: 100%; table-layout: fixed; border-collapse: collapse; background: #fffdf8; }
.storyboard-table th, .storyboard-table td { border: 1px solid #c9b98f; overflow-wrap: anywhere; vertical-align: middle; }
.storyboard-table th { height: 42px; padding: 6px 5px; color: #17212b; background: #f4ead3; font-size: 8px; text-transform: uppercase; }
.storyboard-table td { height: 154px; padding: 8px; font-size: 9px; line-height: 1.35; text-align: center; }
.storyboard-table th:nth-child(1), .storyboard-table td:nth-child(1) { width: 6%; }
.storyboard-table th:nth-child(2), .storyboard-table td:nth-child(2) { width: 7%; }
.storyboard-table th:nth-child(3), .storyboard-table td:nth-child(3) { width: 17%; }
.storyboard-table th:nth-child(4), .storyboard-table td:nth-child(4), .storyboard-table th:nth-child(5), .storyboard-table td:nth-child(5) { width: 10%; }
.storyboard-table th:nth-child(6), .storyboard-table td:nth-child(6) { width: 10%; }
.storyboard-table th:nth-child(7), .storyboard-table td:nth-child(7) { width: 14%; }
.storyboard-table th:nth-child(8), .storyboard-table td:nth-child(8) { width: 10%; }
.storyboard-table th:nth-child(9), .storyboard-table td:nth-child(9) { width: 16%; }
.storyboard-table td:first-child { padding: 0; color: #fff; background: var(--navy); }
.scene-index { display: grid; height: 100%; padding: 8px 3px; align-content: center; gap: 12px; }
.scene-index strong { color: var(--gold-light); font-family: Georgia, serif; font-size: 25px; }
.scene-index span { display: block; padding: 4px 2px; color: var(--navy); background: var(--gold-light); font-size: 7px; font-weight: 800; }
.visual-cell { padding: 0 !important; background: #d9d2c2; }
.shot-frame { position: relative; width: 100%; height: 154px; overflow: hidden; color: #fff; background: linear-gradient(135deg, rgba(7,27,45,.12), rgba(7,27,45,.7)), #687681; }
.shot-frame::before { position: absolute; top: -25%; right: -20%; width: 100px; height: 180px; content: ""; opacity: .3; background: repeating-linear-gradient(45deg, transparent 0 10px, rgba(241,221,176,.85) 10px 12px); transform: rotate(18deg); }
.shot-frame img { width: 100%; height: 100%; object-fit: cover; }
.shot-label { position: absolute; right: 7px; bottom: 7px; left: 7px; padding: 5px 6px; color: #fff; background: rgba(6,20,32,.74); font-size: 7px; font-weight: 700; text-align: left; }
.cell-icon { display: grid; width: 26px; height: 26px; margin: 0 auto 7px; place-items: center; color: var(--navy); border: 1px solid #9b8e6c; border-radius: 50%; font-family: Georgia, serif; font-size: 13px; font-weight: 700; }
.overlay-cell { color: var(--gold-light); background: var(--navy-soft); font-family: Georgia, serif; font-size: 14px !important; font-weight: 800; text-transform: uppercase; }
.editable-cell[contenteditable="true"] { outline: 0; cursor: text; }
.editable-cell[contenteditable="true"]:hover { box-shadow: inset 0 0 0 2px rgba(47,107,88,.35); }
.editable-cell[contenteditable="true"]:focus { background-color: #f1f8f5; box-shadow: inset 0 0 0 2px var(--green); }
.overlay-cell[contenteditable="true"]:focus { background: #173b56; }

.summary-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr .9fr; gap: 7px; padding: 10px; background: var(--navy); }
.summary-card { min-height: 150px; padding: 12px; background: #fffdf8; border: 1px solid var(--gold); border-radius: 6px; }
.summary-card h3 { margin-bottom: 8px; color: var(--navy); font-size: 10px; text-transform: uppercase; }
.summary-card h3 span { margin-right: 5px; color: var(--gold); }
.summary-card ol, .summary-card ul { display: grid; margin: 0; padding-left: 18px; gap: 5px; font-size: 8px; line-height: 1.3; }
.cta-card { display: grid; color: #fff; background: var(--navy-soft); place-content: center; text-align: center; }
.cta-card h3 { color: var(--gold-light); }
.cta-card p { margin: 0; color: #fff; font-family: Georgia, serif; font-size: 15px; font-weight: 800; line-height: 1.25; text-transform: uppercase; }

.poster-footer { display: grid; grid-template-columns: 1.1fr repeat(5, 1fr); min-height: 86px; color: var(--navy); background: #f7efe0; border-top: 2px solid var(--gold); }
.quality-seal, .quality-item { display: grid; place-content: center; text-align: center; }
.quality-seal { color: var(--gold-light); background: var(--navy); }
.quality-seal strong { font-family: Georgia, serif; font-size: 20px; }
.quality-seal span, .quality-item span { font-size: 7px; text-transform: uppercase; }
.quality-item { padding: 8px; border-left: 1px solid #cabd9c; }
.quality-item strong { margin-bottom: 3px; font-family: Georgia, serif; font-size: 9px; text-transform: uppercase; }

.toast { position: fixed; right: 20px; bottom: 20px; z-index: 50; max-width: min(360px, calc(100vw - 40px)); padding: 11px 14px; color: #fff; background: #17212b; border-radius: 6px; box-shadow: var(--shadow); font-size: 12px; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity 160ms ease, transform 160ms ease; }
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .workspace { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .canvas-toolbar { top: 68px; }
}

@media (max-width: 640px) {
  .topbar { align-items: flex-start; padding: 10px 14px; }
  .topbar-brand span, .save-status, .topbar-actions .ghost { display: none; }
  .sidebar { padding: 20px 15px; }
  .field-grid, .field-grid.three { grid-template-columns: 1fr; }
  .canvas-toolbar { align-items: flex-start; gap: 8px; }
  .switch-label { display: none; }
  .poster-stage { padding: 18px 10px; }
}

@media print {
  @page { size: A3 landscape; margin: 8mm; }
  body { background: #fff; }
  .topbar, .sidebar, .canvas-toolbar { display: none !important; }
  .workspace { display: block; }
  .poster-stage { min-height: 0; padding: 0; overflow: visible; }
  .poster-scaler { width: 100% !important; height: auto !important; }
  .storyboard-poster { width: 100%; border-width: 4px; box-shadow: none; transform: none !important; }
  .storyboard-table td, .shot-frame { height: 118px; }
}