:root {
  color-scheme: light;
  --page: #eef3f8;
  --ink: #0b1220;
  --muted: #607086;
  --subtle: #8693a6;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-solid: #ffffff;
  --line: rgba(124, 139, 161, 0.28);
  --line-strong: rgba(80, 96, 121, 0.35);
  --accent: #0d9488;
  --accent-strong: #0f766e;
  --accent-soft: #d8fbf3;
  --indigo: #3b5bdb;
  --rose: #c026d3;
  --gold: #c47f12;
  --danger: #b42318;
  --success: #087443;
  --shadow-sm: 0 10px 24px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 28px 80px rgba(20, 31, 54, 0.18);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 8%, rgba(13, 148, 136, 0.20), transparent 28%),
    radial-gradient(circle at 88% 5%, rgba(196, 127, 18, 0.15), transparent 25%),
    radial-gradient(circle at 70% 42%, rgba(59, 91, 219, 0.11), transparent 28%),
    linear-gradient(180deg, #fbfdff 0%, var(--page) 100%);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
  inset: 0;
  mask-image: linear-gradient(180deg, black 0%, transparent 78%);
  pointer-events: none;
  position: fixed;
}

button,
input {
  font: inherit;
}

button {
  align-items: center;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #1d2939;
  cursor: pointer;
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 760;
  gap: 8px;
  justify-content: center;
  letter-spacing: 0;
  min-height: 42px;
  padding: 0 14px;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

button svg,
.brand-mark svg,
.github-chip svg,
.input-shell svg {
  display: block;
  flex: 0 0 auto;
  height: 18px;
  width: 18px;
}

button:hover:not(:disabled) {
  background: #ffffff;
  border-color: var(--line-strong);
  box-shadow: 0 8px 18px rgba(16, 24, 40, 0.10);
  transform: translateY(-1px);
}

button:disabled {
  color: #9aa6b6;
  cursor: not-allowed;
  opacity: 0.68;
}

.icon-sprite {
  height: 0;
  position: absolute;
  width: 0;
}

.app-shell {
  display: flex;
  flex-direction: column;
  gap: 18px;
  isolation: isolate;
  min-height: 100vh;
  padding: 28px;
  position: relative;
}

.hero {
  align-items: flex-end;
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.hero-copy {
  max-width: 920px;
}

.brand-line {
  align-items: center;
  color: #344054;
  display: inline-flex;
  font-size: 0.88rem;
  font-weight: 800;
  gap: 10px;
  margin-bottom: 14px;
}

.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, #0b1220, #172554);
  border-radius: 8px;
  color: white;
  display: inline-flex;
  height: 34px;
  isolation: isolate;
  justify-content: center;
  position: relative;
  width: 34px;
}

.brand-mark::after {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.75), rgba(196, 127, 18, 0.65));
  border-radius: 999px;
  content: "";
  filter: blur(18px);
  height: 34px;
  opacity: 0.36;
  position: absolute;
  width: 34px;
  z-index: -1;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 5.8rem);
  letter-spacing: 0;
  line-height: 0.91;
  margin: 0;
  max-width: 1040px;
}

.hero p {
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.55;
  margin: 18px 0 0;
  max-width: 740px;
}

.status-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  max-width: 520px;
}

.status-pills > span,
.github-chip,
.source-link {
  align-items: center;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(16, 24, 40, 0.07);
  color: #344054;
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 820;
  gap: 7px;
  padding: 8px 12px;
  white-space: nowrap;
}

.source-link {
  background: linear-gradient(135deg, rgba(11, 18, 32, 0.95), rgba(23, 37, 84, 0.92));
  border-color: rgba(255, 255, 255, 0.82);
  color: #ffffff;
  text-decoration: none;
}

.source-link svg {
  height: 16px;
  width: 16px;
}

.source-link:hover {
  box-shadow: 0 12px 24px rgba(23, 37, 84, 0.18);
  transform: translateY(-1px);
}

.control-panel,
.metadata-panel,
.preview-frame-shell {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-lg);
}

.control-panel {
  border-radius: var(--radius);
  display: grid;
  gap: 15px;
  padding: 18px;
}

.url-form {
  display: grid;
  gap: 12px;
}

.panel-heading {
  align-items: flex-start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.url-form label,
.metadata-panel h2 {
  color: #182230;
  display: block;
  font-size: 0.88rem;
  font-weight: 860;
  letter-spacing: 0;
  margin: 0;
}

.panel-heading p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
  margin: 5px 0 0;
}

.url-row {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.input-shell {
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  gap: 10px;
  min-height: 50px;
  min-width: 0;
  padding: 0 14px;
}

.input-shell:focus-within {
  border-color: rgba(13, 148, 136, 0.72);
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.13), 0 12px 28px rgba(59, 91, 219, 0.08);
}

.input-shell svg {
  color: var(--accent-strong);
}

.url-row input {
  background: transparent;
  border: 0;
  color: var(--ink);
  min-height: 48px;
  min-width: 0;
  outline: none;
  padding: 0;
  width: 100%;
}

.url-row input::placeholder {
  color: #98a2b3;
}

.primary-button {
  background: linear-gradient(135deg, #0f766e, #0d9488 54%, #2dd4bf);
  border-color: rgba(13, 148, 136, 0.45);
  box-shadow: 0 14px 26px rgba(13, 148, 136, 0.24);
  color: white;
  min-height: 50px;
  min-width: 136px;
}

.primary-button:hover:not(:disabled) {
  background: linear-gradient(135deg, #0b5f59, #0f766e 58%, #14b8a6);
  border-color: rgba(13, 148, 136, 0.60);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

body[data-view="landing"] .action-row {
  display: none;
}

.preview-summary {
  display: none;
}

.status-panel {
  align-items: center;
  background: rgba(248, 250, 252, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  display: flex;
  line-height: 1.45;
  min-height: 48px;
  padding: 12px 14px;
  word-break: break-word;
}

.status-panel::before {
  background: var(--subtle);
  border-radius: 999px;
  content: "";
  flex: 0 0 auto;
  height: 8px;
  margin-right: 10px;
  width: 8px;
}

.status-panel[data-mode="success"] {
  background: rgba(236, 253, 243, 0.92);
  border-color: rgba(18, 183, 106, 0.36);
  color: var(--success);
}

.status-panel[data-mode="success"]::before {
  background: #12b76a;
}

.status-panel[data-mode="error"] {
  background: rgba(255, 241, 240, 0.94);
  border-color: rgba(240, 68, 56, 0.34);
  color: var(--danger);
}

.status-panel[data-mode="error"]::before {
  background: #f04438;
}

.workspace {
  display: grid;
  flex: 1;
  gap: 18px;
  grid-template-columns: minmax(270px, 350px) minmax(0, 1fr);
  min-height: 0;
}

.metadata-panel {
  border-radius: var(--radius);
  overflow: hidden;
  padding: 16px;
}

.metadata-heading {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.metadata-heading span {
  background: linear-gradient(135deg, var(--accent-soft), rgba(238, 242, 255, 0.92));
  border: 1px solid rgba(13, 148, 136, 0.20);
  border-radius: 999px;
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 850;
  padding: 5px 9px;
}

.metadata-panel dl {
  display: grid;
  gap: 9px;
  margin: 15px 0 0;
}

.metadata-panel dl > div {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(229, 233, 240, 0.9);
  border-radius: 7px;
  display: grid;
  gap: 4px;
  padding: 10px;
}

.metadata-panel dt {
  color: #697586;
  font-size: 0.72rem;
  font-weight: 860;
}

.metadata-panel dd {
  color: #172033;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.76rem;
  line-height: 1.42;
  margin: 0;
  overflow-wrap: anywhere;
}

.preview-frame-shell {
  border-radius: var(--radius);
  min-height: 64vh;
  overflow: hidden;
}

.preview-frame-shell:fullscreen {
  background: var(--panel-solid);
  border-radius: 0;
  padding: 0;
}

.preview-toolbar {
  align-items: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(247, 249, 252, 0.88));
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 7px;
  height: 38px;
  padding: 0 13px;
}

.preview-toolbar span {
  border-radius: 999px;
  display: block;
  height: 10px;
  width: 10px;
}

.preview-toolbar span:nth-child(1) {
  background: #f97066;
}

.preview-toolbar span:nth-child(2) {
  background: #fdb022;
}

.preview-toolbar span:nth-child(3) {
  background: #32d583;
}

.preview-toolbar strong {
  color: #667085;
  font-size: 0.76rem;
  font-weight: 850;
  margin-left: 7px;
}

#preview-frame {
  background: white;
  border: 0;
  display: block;
  height: calc(100% - 38px);
  min-height: calc(64vh - 38px);
  width: 100%;
}

.note {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
  margin: 0;
}

body[data-view="preview"],
body[data-view="loading-preview"] {
  background: #ffffff;
  overflow: hidden;
}

body[data-view="preview"]::before,
body[data-view="loading-preview"]::before {
  display: none;
}

body[data-view="preview"] .app-shell,
body[data-view="loading-preview"] .app-shell {
  display: block;
  min-height: 100vh;
  padding: 0;
}

body[data-view="preview"] .hero,
body[data-view="preview"] .metadata-panel,
body[data-view="preview"] .note,
body[data-view="loading-preview"] .hero,
body[data-view="loading-preview"] .metadata-panel,
body[data-view="loading-preview"] .note {
  display: none;
}

body[data-view="preview"] .workspace,
body[data-view="loading-preview"] .workspace {
  display: block;
  height: 100vh;
  min-height: 100vh;
}

body[data-view="preview"] .preview-frame-shell,
body[data-view="loading-preview"] .preview-frame-shell {
  background: #ffffff;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  height: 100vh;
  inset: 0;
  min-height: 100vh;
  position: fixed;
}

body[data-view="preview"] .preview-toolbar,
body[data-view="loading-preview"] .preview-toolbar {
  display: none;
}

body[data-view="preview"] #preview-frame,
body[data-view="loading-preview"] #preview-frame {
  height: 100vh;
  min-height: 100vh;
}

body[data-view="preview"] .control-panel,
body[data-view="loading-preview"] .control-panel {
  align-items: center;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(208, 216, 229, 0.78);
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.17);
  display: flex;
  gap: 10px;
  left: 50%;
  max-width: calc(100vw - 24px);
  padding: 8px;
  bottom: 12px;
  position: fixed;
  transform: translateX(-50%);
  width: min(980px, calc(100vw - 24px));
  z-index: 20;
}

body[data-view="preview"] .url-form,
body[data-view="preview"] .status-panel,
body[data-view="loading-preview"] .url-form {
  display: none;
}

body[data-view="preview"] .action-row,
body[data-view="loading-preview"] .action-row {
  align-items: center;
  display: flex;
  flex: 1;
  flex-wrap: nowrap;
  gap: 8px;
  min-width: 0;
}

body[data-view="preview"] .preview-summary,
body[data-view="loading-preview"] .preview-summary {
  display: grid;
  flex: 1;
  min-width: 0;
  padding: 0 8px;
}

.preview-summary span {
  color: #111827;
  font-size: 0.88rem;
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-summary small {
  color: #667085;
  font-size: 0.72rem;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body[data-view="loading-preview"] .status-panel {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
  display: flex;
  left: 50%;
  max-width: calc(100vw - 36px);
  position: fixed;
  top: 18px;
  transform: translateX(-50%);
  width: min(560px, calc(100vw - 36px));
  z-index: 19;
}

body[data-view="preview"] .action-row button,
body[data-view="loading-preview"] .action-row button {
  background: rgba(255, 255, 255, 0.72);
  min-height: 38px;
  padding: 0 11px;
  white-space: nowrap;
}

body[data-view="preview"] .action-row button:disabled,
body[data-view="loading-preview"] .action-row button:disabled {
  display: none;
}

@media (max-width: 980px) {
  .app-shell {
    padding: 20px;
  }

  .hero {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .status-pills {
    justify-content: flex-start;
  }

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

@media (max-width: 660px) {
  .app-shell {
    padding: 16px;
  }

  .panel-heading {
    flex-direction: column;
  }

  .url-row {
    grid-template-columns: 1fr;
  }

  .action-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  body[data-view="preview"] .control-panel,
  body[data-view="loading-preview"] .control-panel {
    bottom: 10px;
    width: calc(100vw - 20px);
  }

  body[data-view="preview"] .action-row,
  body[data-view="loading-preview"] .action-row {
    display: grid;
    grid-template-columns: 1fr auto auto auto auto auto;
  }

  body[data-view="preview"] .action-row button,
  body[data-view="loading-preview"] .action-row button {
    min-width: 38px;
    padding: 0 10px;
  }

  body[data-view="preview"] .action-row button span,
  body[data-view="loading-preview"] .action-row button span {
    display: none;
  }

  body[data-view="loading-preview"] .status-panel {
    bottom: 72px;
    top: auto;
  }

  #preview-button {
    width: 100%;
  }
}

@media (max-width: 430px) {
  .hero h1 {
    font-size: 2.35rem;
  }

  .action-row {
    grid-template-columns: 1fr;
  }

  body[data-view="preview"] .action-row,
  body[data-view="loading-preview"] .action-row {
    grid-template-columns: 1fr auto auto auto auto auto;
  }

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