:root {
  --bg: #f4efe4;
  --surface: rgba(255, 252, 245, 0.82);
  --surface-strong: #fffdf8;
  --ink: #14110f;
  --muted: #746b60;
  --line: rgba(20, 17, 15, 0.11);
  --line-strong: rgba(20, 17, 15, 0.2);
  --accent: #111111;
  --accent-soft: #d8b861;
  --accent-wash: rgba(216, 184, 97, 0.18);
  --danger: #b6442c;
  --success: #1b6a43;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 18px 50px rgba(20, 17, 15, 0.08);
  --topbar-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 9% 0%, rgba(216, 184, 97, 0.25), transparent 28%),
    radial-gradient(circle at 91% 9%, rgba(20, 17, 15, 0.08), transparent 24%),
    linear-gradient(180deg, #fbf7ef 0%, var(--bg) 48%, #ebe1d1 100%);
  font-family: "Avenir Next", "IBM Plex Sans", "Segoe UI", sans-serif;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  appearance: none;
}

button:disabled,
input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.62;
  cursor: not-allowed;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2,
h3 {
  letter-spacing: -0.04em;
}

h1 {
  font-family: "Georgia", "Iowan Old Style", serif;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 0.9;
}

h2 {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1;
}

h3 {
  font-size: clamp(28px, 4vw, 52px);
  line-height: 0.95;
}

audio {
  width: 100%;
}

.app-shell {
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px;
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 14px;
}

.topbar {
  min-height: var(--topbar-height);
  display: grid;
  grid-template-columns: minmax(170px, 0.7fr) minmax(280px, 1.2fr) auto;
  gap: 18px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 252, 245, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-block > div:last-child {
  min-width: 0;
}

.eyebrow {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.project-heading {
  min-width: 0;
}

.project-heading .muted {
  max-width: 58ch;
  margin-bottom: 7px;
}

.topbar-status,
.muted,
.panel-copy {
  color: var(--muted);
  line-height: 1.45;
}

.topbar-status {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.wallet-mini {
  min-width: max-content;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.45);
}

.primary,
.ghost,
.link-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease, border-color 160ms ease;
}

.primary {
  color: #fffdf8;
  background: var(--accent);
  box-shadow: 0 14px 34px rgba(20, 17, 15, 0.16);
}

.ghost {
  color: var(--ink);
  background: rgba(20, 17, 15, 0.055);
}

.primary:hover,
.ghost:hover,
.step-tab.is-openable:hover {
  transform: translateY(-1px);
}

.icon-button {
  min-height: 38px;
  padding: 9px 12px;
}

.stepper {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.step-tab {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: rgba(255, 252, 245, 0.56);
  text-align: left;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "index title"
    "index meta";
  column-gap: 10px;
  row-gap: 2px;
  box-shadow: none;
}

.step-tab.is-active {
  border-color: rgba(20, 17, 15, 0.34);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.step-tab.is-done .step-index {
  background: var(--accent);
  color: #fffdf8;
}

.step-tab.is-locked {
  color: rgba(20, 17, 15, 0.42);
  background: rgba(255, 252, 245, 0.36);
}

.step-index {
  grid-area: index;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-wash);
  color: var(--ink);
  font-weight: 800;
}

.step-title {
  grid-area: title;
  min-width: 0;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.step-meta {
  grid-area: meta;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.alerts {
  display: grid;
  gap: 10px;
}

.alert {
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.alert.danger {
  border-color: rgba(182, 68, 44, 0.26);
  color: var(--danger);
}

.alert.success {
  border-color: rgba(27, 106, 67, 0.26);
  color: var(--success);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: start;
  gap: 14px;
}

.workspace-main,
.result-rail {
  min-width: 0;
}

.step-panel,
.rail-card,
.project-drawer {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.step-panel {
  min-height: 54vh;
  padding: clamp(18px, 3vw, 30px);
  display: grid;
  gap: 18px;
  animation: panelIn 220ms ease both;
}

@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.panel-copy {
  margin-top: 8px;
  max-width: 68ch;
}

.panel-actions,
.sticky-actions,
.row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.panel-actions {
  align-items: stretch;
}

.panel-actions .ghost,
.sticky-actions .ghost,
.sticky-actions .primary {
  flex: 1 1 180px;
}

.sticky-actions {
  position: sticky;
  bottom: 14px;
  z-index: 2;
  padding: 12px;
  margin: 4px -12px -12px;
  border: 1px solid rgba(20, 17, 15, 0.08);
  border-radius: 24px;
  background: rgba(255, 252, 245, 0.86);
  backdrop-filter: blur(14px);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.form-grid.wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  min-width: 0;
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(20, 17, 15, 0.13);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.76);
  padding: 11px 12px;
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(20, 17, 15, 0.34);
  box-shadow: 0 0 0 3px rgba(216, 184, 97, 0.16);
}

textarea {
  min-height: 88px;
  resize: vertical;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.summary-strip > div,
.empty-state {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.45);
}

.summary-strip span,
.rail-item span {
  color: var(--muted);
  font-size: 13px;
}

.summary-strip strong,
.rail-item strong {
  display: block;
  margin-top: 3px;
}

.lines-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.line-item,
.track-build-item,
.scene-tile,
.variant-card,
.queue-box,
.revision-box {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.5);
}

.line-item {
  padding: 10px;
  display: grid;
  gap: 8px;
}

.line-item textarea {
  min-height: 72px;
}

.line-toolbar {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.line-counter,
.line-warning,
.price-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 8px;
  font-size: 12px;
  line-height: 1;
}

.line-counter {
  color: var(--muted);
  background: rgba(20, 17, 15, 0.045);
}

.line-warning {
  color: var(--danger);
  background: rgba(182, 68, 44, 0.11);
}

.price-tag {
  color: var(--ink);
  background: var(--accent-wash);
}

.track-main,
.track-build-list {
  display: grid;
  gap: 10px;
}

.track-build-list {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.track-build-item {
  padding: 14px;
  display: grid;
  gap: 12px;
}

.track-build-item.is-featured {
  background: var(--surface-strong);
}

.track-build-item.is-approved {
  border-color: rgba(27, 106, 67, 0.28);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.scene-tile {
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
}

.scene-thumb {
  aspect-ratio: 9 / 16;
  display: grid;
  place-items: center;
  color: var(--muted);
  background:
    linear-gradient(180deg, rgba(20, 17, 15, 0.04), rgba(20, 17, 15, 0.08)),
    #f5efe5;
}

.scene-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scene-fields {
  padding: 12px;
  display: grid;
  gap: 10px;
}

.crop-details {
  border: 1px solid rgba(20, 17, 15, 0.09);
  border-radius: var(--radius-sm);
  padding: 9px 10px;
  background: rgba(255, 255, 255, 0.36);
}

.crop-details summary {
  cursor: pointer;
  font-weight: 800;
}

.crop-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.clip-board,
.revision-box {
  display: grid;
  gap: 12px;
}

.queue-box,
.revision-box {
  padding: 16px;
}

.queue-box span {
  display: block;
  color: var(--muted);
  margin-top: 6px;
}

.revision-grid,
.variant-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.media-preview {
  width: min(220px, 100%);
  overflow: hidden;
  border-radius: var(--radius-md);
  background: rgba(20, 17, 15, 0.06);
}

.media-preview video,
.media-preview img {
  width: 100%;
  display: block;
}

.result-rail {
  display: grid;
  gap: 12px;
  position: sticky;
  top: 18px;
}

.rail-card {
  padding: 16px;
  display: grid;
  gap: 10px;
}

.rail-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(20, 17, 15, 0.07);
}

.rail-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(20, 17, 15, 0.24);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.project-drawer {
  position: fixed;
  z-index: 21;
  top: 18px;
  right: 18px;
  bottom: 18px;
  width: min(420px, calc(100vw - 36px));
  padding: 18px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 14px;
  transform: translateX(calc(100% + 24px));
  transition: transform 220ms ease;
}

.project-drawer.is-open {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.wallet-box {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.44);
}

.project-list {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 8px;
}

.project-item {
  width: 100%;
  min-height: auto;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.5);
  text-align: left;
  display: grid;
  gap: 4px;
}

.project-item.active {
  border-color: rgba(20, 17, 15, 0.34);
  background: var(--surface-strong);
}

.project-item span {
  color: var(--muted);
  font-size: 13px;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(520px, 100%);
  padding: 34px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 16px;
}

.rail-danger,
.danger-box {
  border-color: rgba(182, 68, 44, 0.28);
}

@media (max-width: 1099px) {
  .topbar {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .topbar-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .result-rail {
    position: static;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 699px) {
  .app-shell {
    padding: 10px;
  }

  .topbar,
  .step-panel,
  .rail-card {
    border-radius: 22px;
  }

  h3 {
    font-size: 34px;
  }

  .wallet-mini {
    width: 100%;
  }

  .topbar-actions .ghost,
  .topbar-actions .primary {
    flex: 1 1 140px;
  }

  .stepper {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 2px;
  }

  .step-tab {
    min-width: 168px;
    scroll-snap-align: start;
  }

  .form-grid,
  .form-grid.wide,
  .lines-grid,
  .scene-grid,
  .summary-strip {
    grid-template-columns: 1fr;
  }

  .panel-actions .ghost,
  .sticky-actions .ghost,
  .sticky-actions .primary,
  .clip-board .primary {
    width: 100%;
    flex-basis: 100%;
  }

  .crop-grid {
    grid-template-columns: 1fr;
  }

  .project-drawer {
    inset: 10px;
    width: auto;
  }
}