@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/IBMPlexSans-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/IBMPlexSans-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/SpaceGrotesk-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: 'WenQuanYi Zen Hei';
  src: url('../fonts/WenQuanYiZenHei-Latin.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --page: #f2f3f5;
  --surface: #ffffff;
  --surface-subtle: #f7f8fa;
  --surface-active: #fff7e8;
  --line: #dfe2e7;
  --line-strong: #b8bec7;
  --ink: #17191d;
  --muted: #5d6470;
  --soft: #8a919c;
  --gold: #c88b32;
  --gold-hover: #af7421;
  --gold-soft: #f6e2bc;
  --green: #147a4b;
  --green-soft: #e6f5ed;
  --blue: #2563a9;
  --blue-soft: #e8f1fb;
  --danger: #b63838;
  --danger-soft: #fbeaea;
  --shadow-1: 0 1px 2px rgba(17, 24, 39, 0.06);
  --shadow-2: 0 12px 30px rgba(17, 24, 39, 0.1);
  --radius: 6px;
  --radius-small: 4px;
  --duration-fast: 140ms;
  --duration: 220ms;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--page);
  font-family: 'IBM Plex Sans', sans-serif;
}

button,
input,
canvas {
  font: inherit;
}

button,
input {
  outline: none;
  letter-spacing: 0;
}

button:focus-visible,
input:focus-visible,
a:focus-visible,
label:focus-within {
  box-shadow: 0 0 0 3px rgba(200, 139, 50, 0.22);
}

.app-shell {
  width: min(100%, 1540px);
  margin: 0 auto;
  padding: 16px 18px 92px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}

body.is-ready .app-shell {
  opacity: 1;
  transform: none;
}

.topbar {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}

.brand-lockup {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  width: 54px;
  height: 42px;
  flex: 0 0 54px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-small);
  color: #f5c477;
  background: #17191d;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-name,
.panel-title {
  margin: 0;
  font-weight: 600;
  letter-spacing: 0;
}

.brand-name {
  overflow-wrap: anywhere;
  font-size: 19px;
  line-height: 1.18;
}

.brand-eyebrow,
.panel-kicker,
.meta-label,
.template-current__label,
.rail-label {
  margin: 0;
  color: var(--soft);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0;
}

.brand-eyebrow {
  margin-top: 3px;
}

.topbar-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  flex-wrap: wrap;
}

.status-pill {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  color: var(--muted);
  background: var(--surface-subtle);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.status-pill--meta {
  color: var(--soft);
}

.status-pill--editor {
  color: #ffffff;
  border-color: #30343a;
  background: #30343a;
  transition: background var(--duration-fast), transform var(--duration-fast);
}

.status-pill--editor:hover {
  background: #17191d;
  transform: translateY(-1px);
}

.workspace {
  display: grid;
  grid-template-columns: 230px minmax(520px, 1fr) 290px;
  gap: 12px;
  align-items: start;
  margin-top: 12px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}

.template-rail,
.inspector,
.preview-panel {
  padding: 15px;
}

.template-rail,
.inspector {
  position: sticky;
  top: 12px;
}

.panel-section {
  margin-bottom: 17px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
}

.panel-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.panel-section--heading {
  margin-bottom: 12px;
  padding-bottom: 12px;
}

.panel-title {
  margin-top: 3px;
  font-size: 18px;
  line-height: 1.25;
}

.template-current {
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--surface-subtle);
}

.template-current__value {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 4px;
  overflow-wrap: anywhere;
  font-size: 13px;
}

.rail-group {
  margin-top: 16px;
}

.rail-label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
}

.language-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
}

.vip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.language-chip,
.vip-chip,
.segment {
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  color: var(--muted);
  background: var(--surface);
  cursor: pointer;
  transition: border-color var(--duration-fast), color var(--duration-fast), background var(--duration-fast), transform var(--duration-fast);
}

.language-chip {
  min-width: 0;
  min-height: 39px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 600;
}

.language-chip__flag,
.template-flag {
  flex: 0 0 auto;
  border: 1px solid rgba(23, 25, 29, 0.14);
  border-radius: 2px;
  object-fit: cover;
  box-shadow: var(--shadow-1);
}

.language-chip__flag {
  width: 20px;
  height: 15px;
}

.template-flag {
  width: 18px;
  height: 13.5px;
}

.language-chip__label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vip-chip {
  min-height: 37px;
  padding: 0 8px;
  font-size: 12px;
  font-weight: 600;
}

.language-chip:hover,
.vip-chip:hover,
.segment:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--surface-subtle);
  transform: translateY(-1px);
}

.language-chip.is-active,
.vip-chip.is-active,
.segment.is-active {
  color: #5e390d;
  border-color: #d6a451;
  background: var(--surface-active);
}

.preview-column {
  min-width: 0;
}

.panel-head {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 13px;
}

.action-row,
.size-row {
  display: flex;
  gap: 7px;
}

.btn {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: background var(--duration-fast), border-color var(--duration-fast), transform var(--duration-fast);
}

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

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  color: #ffffff;
  border-color: var(--gold);
  background: var(--gold);
}

.btn--primary:hover {
  border-color: var(--gold-hover);
  background: var(--gold-hover);
}

.btn--secondary {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--surface);
}

.btn--secondary:hover {
  border-color: #8e959f;
  background: var(--surface-subtle);
}

.btn--small {
  min-height: 34px;
  flex: 1 1 0;
}

.btn--block {
  width: 100%;
}

.canvas-stage {
  min-height: 628px;
  display: grid;
  place-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: #e8eaed;
}

.canvas-frame {
  width: min(100%, 450px);
  position: relative;
  overflow: hidden;
  border: 1px solid #b9bdc3;
  border-radius: 2px;
  background: #ffffff;
  box-shadow: var(--shadow-2);
  transition: opacity var(--duration), transform var(--duration);
}

.canvas-frame.is-transitioning {
  opacity: 0.72;
  transform: scale(0.996);
}

.canvas-frame canvas {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1792 / 2400;
}

.editor-mode .canvas-frame canvas {
  touch-action: none;
}

.canvas-overlay {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  padding: 20px;
  background: rgba(243, 244, 246, 0.84);
  backdrop-filter: blur(4px);
}

.canvas-overlay.is-visible {
  display: grid;
}

.loading-card {
  min-width: 158px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--surface);
  box-shadow: var(--shadow-2);
  text-align: center;
}

.loading-card p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.loading-card--error p {
  margin: 0 0 11px;
  color: var(--danger);
}

.spinner {
  width: 23px;
  height: 23px;
  margin: 0 auto;
  border: 2px solid #e1e3e7;
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

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

.preview-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--line);
  gap: 1px;
}

.preview-meta__block {
  min-width: 0;
  padding: 9px 11px;
  background: var(--surface-subtle);
  text-align: center;
}

.meta-value {
  display: block;
  margin-top: 2px;
  overflow-wrap: anywhere;
  font-size: 12px;
}

.status-strip {
  margin-top: 11px;
  padding: 9px 11px;
  border: 1px solid #a9c8e7;
  border-radius: var(--radius-small);
  color: #174f86;
  background: var(--blue-soft);
  font-size: 12px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 9px;
  margin-bottom: 10px;
}

.section-heading h3 {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0;
}

.mini-badge {
  max-width: 122px;
  padding: 3px 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--soft);
  background: var(--surface-subtle);
  font-size: 10px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-badge--live {
  color: var(--green);
  border-color: #a8d6bd;
  background: var(--green-soft);
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.upload-field {
  min-height: 68px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 11px;
  overflow: hidden;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--surface-subtle);
  cursor: pointer;
  transition: border-color var(--duration-fast), background var(--duration-fast);
}

.upload-field:hover {
  border-color: var(--gold);
  background: var(--surface-active);
}

.upload-field__title {
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
}

.upload-field__status {
  overflow: hidden;
  color: var(--soft);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.field-label {
  display: block;
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.uid-input-wrap {
  height: 42px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--surface);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.uid-input-wrap:focus-within {
  border-color: var(--gold);
}

.uid-prefix {
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 9px 0 11px;
  border-right: 1px solid var(--line);
  color: #7a4b12;
  background: var(--surface-active);
  font-family: 'WenQuanYi Zen Hei', sans-serif;
  font-size: 13px;
}

.text-input {
  width: 100%;
  height: 100%;
  min-width: 0;
  padding: 0 10px;
  border: 0;
  color: var(--ink);
  background: transparent;
  font-family: 'WenQuanYi Zen Hei', sans-serif;
  font-size: 13px;
}

.text-input::placeholder {
  color: #a0a6ae;
}

.editor-stack {
  display: grid;
  gap: 14px;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.segment {
  min-height: 36px;
  padding: 0 8px;
  font-size: 12px;
  font-weight: 600;
}

.nudge-grid {
  width: 126px;
  height: 88px;
  display: grid;
  grid-template-columns: repeat(3, 38px);
  grid-template-rows: repeat(2, 38px);
  gap: 6px;
  margin: 0 auto;
}

.nudge-btn {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--surface);
  cursor: pointer;
}

.nudge-btn:hover {
  background: var(--surface-subtle);
}

.nudge-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-top: 2px solid var(--muted);
  border-left: 2px solid var(--muted);
}

.nudge-btn--up { grid-column: 2; }
.nudge-btn--up::before { transform: translate(-50%, -28%) rotate(45deg); }
.nudge-btn--left { grid-column: 1; grid-row: 2; }
.nudge-btn--left::before { transform: translate(-28%, -50%) rotate(-45deg); }
.nudge-btn--right { grid-column: 3; grid-row: 2; }
.nudge-btn--right::before { transform: translate(-72%, -50%) rotate(135deg); }
.nudge-btn--down { grid-column: 2; grid-row: 2; }
.nudge-btn--down::before { transform: translate(-50%, -72%) rotate(225deg); }

.coords-box {
  margin: 0;
  padding: 11px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  color: #2e4e70;
  background: #f2f6fa;
  font-size: 11px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.footer-note {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding: 0 2px;
  color: var(--soft);
  font-size: 10px;
}

.speed-cache-bar {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 30;
  width: min(340px, calc(100vw - 32px));
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px 11px;
  padding: 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(10px);
  transition: opacity var(--duration), transform var(--duration);
}

.speed-cache-bar[data-state='ready'] {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition-delay: 1200ms;
}

.speed-cache-bar__meta {
  min-width: 0;
  display: flex;
  gap: 7px;
  align-items: baseline;
}

.speed-cache-bar__title {
  color: var(--ink);
  font-size: 11px;
  white-space: nowrap;
}

.speed-cache-bar__text,
.speed-cache-bar__count {
  color: var(--soft);
  font-size: 10px;
}

.speed-cache-bar__text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.speed-cache-bar__track {
  grid-column: 1 / -1;
  height: 3px;
  overflow: hidden;
  border-radius: 2px;
  background: #e2e4e8;
}

.speed-cache-bar__fill {
  width: 0;
  height: 100%;
  display: block;
  background: var(--gold);
  transition: width var(--duration);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 40;
  max-width: calc(100vw - 32px);
  padding: 9px 13px;
  border: 1px solid #96c7ac;
  border-radius: var(--radius-small);
  color: #0c5a35;
  background: var(--green-soft);
  box-shadow: var(--shadow-2);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 9px);
  transition: opacity var(--duration), transform var(--duration);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast[data-tone='error'] {
  color: var(--danger);
  border-color: #e4adad;
  background: var(--danger-soft);
}

.toast[data-tone='info'] {
  color: var(--blue);
  border-color: #a9c8e7;
  background: var(--blue-soft);
}

[hidden] {
  display: none !important;
}

@media (max-width: 1160px) {
  .workspace {
    grid-template-columns: 220px minmax(460px, 1fr);
  }

  .inspector {
    position: static;
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 17px;
  }

  .inspector > .panel-section:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 780px) {
  .app-shell {
    padding: 10px 10px 82px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-meta {
    width: 100%;
    justify-content: flex-start;
  }

  .status-pill--meta {
    display: none;
  }

  .workspace {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 10px;
  }

  .template-rail,
  .inspector {
    position: static;
  }

  .template-rail {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 11px;
  }

  .template-rail .panel-section,
  .template-current {
    grid-column: 1 / -1;
  }

  .rail-group {
    margin-top: 0;
  }

  .vip-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .preview-column {
    grid-row: 2;
  }

  .canvas-stage {
    min-height: 0;
    padding: 16px;
  }

  .canvas-frame {
    width: min(100%, 430px);
  }

  .inspector {
    grid-row: 3;
    grid-column: 1;
  }
}

@media (max-width: 560px) {
  .brand-mark {
    width: 44px;
    height: 38px;
    flex-basis: 44px;
    font-size: 15px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-eyebrow {
    font-size: 10px;
  }

  .status-pill {
    min-height: 32px;
    max-width: 100%;
    padding: 0 9px;
    overflow: hidden;
    font-size: 11px;
    text-overflow: ellipsis;
  }

  .template-rail,
  .inspector,
  .preview-panel {
    padding: 12px;
  }

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

  .template-rail .panel-section,
  .template-current {
    grid-column: 1;
  }

  .vip-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .vip-chip {
    min-height: 34px;
    font-size: 11px;
  }

  .panel-head {
    align-items: stretch;
    flex-direction: column;
  }

  .action-row {
    width: 100%;
  }

  .action-row .btn {
    flex: 1 1 0;
  }

  .canvas-stage {
    padding: 10px;
  }

  .inspector {
    display: block;
  }

  .preview-meta {
    grid-template-columns: 1fr;
  }

  .footer-note {
    flex-direction: column;
  }

  .speed-cache-bar {
    right: 10px;
    bottom: 10px;
    width: calc(100vw - 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}