:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", Consolas, "Liberation Mono", Menlo, Courier, monospace;
  
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-muted: #f1f5f9;
  
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --primary: #047857;
  --primary-hover: #065f46;
  --primary-light: #ecfdf5;
  --primary-text: #ffffff;
  
  --accent: #2563eb;
  --danger: #b91c1c;
  --warning: #b45309;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding-top: 38px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-main);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}


header {
  padding: 24px max(28px, calc((100vw - 1450px) / 2));
  background: linear-gradient(135deg, #091e2b, #133a4f 60%, #174862);
  color: #f8fafc;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.8px;
  color: #ffffff;
}

.local {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  background: rgba(255, 255, 255, 0.08);
}

.local--demo {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-link {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.2s ease;
}

.header-link:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.btn-reset {
  background: rgba(255, 255, 255, 0.1) !important;
  color: #f1f5f9 !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  font-size: 12px !important;
  padding: 6px 12px !important;
}

.btn-reset:hover {
  background: rgba(255, 255, 255, 0.2) !important;
}

header p {
  margin: 8px 0 0;
  color: #94a3b8;
  font-size: 13.5px;
}

main {
  max-width: 1450px;
  margin: auto;
  padding: 24px 28px;
}

.toolbar {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
  background: var(--bg-card);
  padding: 16px 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.toolbar label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.toolbar select, .toolbar input {
  font-size: 13px;
  padding: 8px 10px;
}

.toolbar p {
  width: 100%;
  font-size: 12px;
  color: var(--text-muted);
  margin: 6px 0 0;
}

.workspace {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 24px;
  margin-top: 22px;
}

aside, article {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

aside {
  align-self: start;
}

h1 {
  font-size: 18px;
  margin: 0 0 16px;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.3px;
}

h2 {
  font-size: 26px;
  line-height: 1.3;
  letter-spacing: -0.6px;
  margin: 6px 0 16px;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

h3 {
  font-size: 18px;
  margin: 0 0 10px;
  color: var(--text-primary);
  font-weight: 650;
}

p {
  margin: 8px 0 14px;
}

#empty {
  padding: 48px;
  min-height: 520px;
}

#empty ol {
  padding-left: 20px;
  line-height: 2.1;
  color: var(--text-secondary);
}

.eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 4px;
}

.muted {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 10px;
}

input, select, textarea {
  display: block;
  font: inherit;
  color: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #ffffff;
  padding: 9px 12px;
  margin-top: 4px;
  max-width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.15);
}

input[type=file] {
  width: 100%;
  font-size: 12px;
  padding: 8px;
  border-style: dashed;
  background: var(--bg-muted);
  cursor: pointer;
}

textarea {
  width: 100%;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  background: #fdfefe;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 14px 0;
  font-weight: 450;
  font-size: 13.5px;
  color: var(--text-primary);
  cursor: pointer;
}

.check input {
  margin-top: 3px;
  accent-color: var(--primary);
}

button {
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-text);
  background: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  cursor: pointer;
  transition: all 0.15s ease;
}

button:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

button.secondary {
  color: var(--text-primary);
  background: #ffffff;
  border: 1px solid var(--border-color);
}

button.secondary:hover {
  background: var(--bg-muted);
  border-color: #cbd5e1;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

details {
  margin: 14px 0;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

summary:hover {
  color: var(--primary);
}

.document-card {
  display: block;
  text-align: left;
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  margin: 10px 0;
  padding: 12px 14px;
  transition: all 0.15s ease;
}

.document-card:hover {
  background: var(--bg-muted);
  border-color: #cbd5e1;
}

.document-card[aria-current="true"] {
  background: #ecfdf5;
  border-color: #059669;
  box-shadow: 0 0 0 1px #059669;
}

.document-card strong {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.document-card span {
  display: block;
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

.document-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

section + section {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--border-color);
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0;
}

#notice {
  margin-top: 12px;
  white-space: pre-wrap;
}

#notice:not(:empty) {
  background: #fefce8;
  border: 1px solid #fde047;
  color: #713f12;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

#error {
  color: var(--danger);
  font-size: 13px;
  font-weight: 500;
  white-space: pre-wrap;
}

#progress {
  color: var(--primary);
  font-size: 13px;
  font-weight: 550;
}

pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #0f172a;
  color: #e2e8f0;
  padding: 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  max-height: 420px;
  overflow: auto;
  border: 1px solid #1e293b;
}

#diff {
  background: #0f172a;
  color: #f1f5f9;
}

.page-preview {
  display: block;
  width: min(100%, 650px);
  height: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin: 14px auto;
}

.page-note {
  font-size: 12px;
  color: var(--text-muted);
}

.export-card {
  padding: 18px;
  border: 1px solid var(--border-color);
  background: #ffffff;
  border-radius: var(--radius-md);
  margin: 14px 0;
  box-shadow: var(--shadow-sm);
}

.export-card strong {
  font-size: 15px;
  color: var(--text-primary);
}

.export-card label {
  margin-top: 12px;
}

.export-card input {
  width: 100%;
}

.approved {
  font-weight: 600;
  color: var(--primary);
  font-size: 13px;
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.locale-preview {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 32rem;
  overflow: auto;
  font-family: var(--font-mono);
  line-height: 1.6;
  background: #f8fafc;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

footer {
  font-size: 12px;
  text-align: center;
  color: var(--text-muted);
  padding: 24px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
  }
  #empty {
    padding: 28px;
    min-height: 0;
  }
  aside {
    padding: 18px;
  }
  main {
    padding: 16px;
  }
  .toolbar {
    gap: 8px;
  }
  .document-heading {
    display: block;
  }
  h2 {
    font-size: 22px;
  }
  header {
    padding: 20px 16px;
  }
  article {
    padding: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
    transition: none !important;
  }
}