:root {
  --bg: #f6f5f2;
  --panel: #ffffff;
  --border: #e2ddd3;
  --ink: #201d18;
  --ink-soft: #6b6558;
  --accent: #b5482f;
  --accent-ink: #ffffff;
  --green: #2f7d4f;
  --green-bg: #e7f3ea;
  --amber: #a5680c;
  --amber-bg: #fbf0dc;
  --red: #b23a3a;
  --red-bg: #fbe8e6;
  --blue: #3a5ba0;
  --blue-bg: #e9eef8;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(32,29,24,0.06), 0 8px 24px rgba(32,29,24,0.05);
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.hidden { display: none !important; }

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-ink);
  border-radius: 10px; font-size: 22px; font-weight: 700;
}
.brand h1 { font-size: 17px; margin: 0; }
.brand p { font-size: 12.5px; color: var(--ink-soft); margin: 2px 0 0; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.font-info-badge {
  font-size: 12.5px; color: var(--ink-soft); background: var(--bg);
  border: 1px solid var(--border); border-radius: 999px; padding: 6px 12px;
}

main { max-width: 1280px; margin: 0 auto; padding: 28px 24px 80px; }

.btn {
  font: inherit; font-size: 13.5px; font-weight: 600;
  border-radius: 8px; padding: 9px 16px; border: 1px solid transparent;
  cursor: pointer; transition: filter .12s ease, background .12s ease;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--ink); }
.btn-ghost:hover { background: var(--bg); }
.btn-block { width: 100%; }
.btn-small { padding: 5px 10px; font-size: 12px; border-radius: 6px; }

.upload-section { display: flex; flex-direction: column; align-items: center; padding-top: 40px; }
.dropzone {
  width: 100%; max-width: 640px; background: var(--panel);
  border: 2px dashed var(--border); border-radius: 16px;
  padding: 56px 32px; text-align: center; cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.dropzone.dragover { border-color: var(--accent); background: #fdf3f0; }
.dropzone-icon { font-size: 40px; margin-bottom: 10px; }
.dropzone-title { font-size: 16px; font-weight: 600; margin: 4px 0; }
.dropzone-sub { font-size: 13px; color: var(--ink-soft); margin: 0 0 20px; }
.error-box {
  max-width: 640px; margin-top: 16px; background: var(--red-bg); color: var(--red);
  border: 1px solid #eec9c5; border-radius: 10px; padding: 12px 16px; font-size: 13.5px;
}

.workspace { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: start; }

.font-warning-banner {
  grid-column: 1 / -1;
  background: var(--amber-bg); color: var(--amber); border: 1px solid #edd4a3;
  border-radius: var(--radius); padding: 14px 18px; font-size: 13.5px; line-height: 1.5;
}
.font-warning-banner strong.banner-title { display: block; margin-bottom: 3px; font-size: 14px; }

.subset-success-banner {
  grid-column: 1 / -1;
  background: var(--green-bg); color: var(--green); border: 1px solid #b9ddc3;
  border-radius: var(--radius); padding: 12px 18px; font-size: 13.5px; font-weight: 600;
}

.subset-tool {
  margin-top: 12px; padding-top: 12px; border-top: 1px solid #edd4a3;
  display: flex; flex-direction: column; gap: 8px;
}
.subset-tool p { margin: 0; }
.subset-checkbox { display: flex; align-items: center; gap: 8px; font-weight: 600; cursor: pointer; }
.subset-checkbox input { width: 16px; height: 16px; accent-color: var(--amber); }
.subset-label { font-weight: 600; margin-top: 4px; }
.subset-textarea {
  font: inherit; font-size: 13px; padding: 8px 10px; border: 1px solid #edd4a3; border-radius: 7px;
  background: var(--panel); color: var(--ink); resize: vertical;
}
.subset-actions { display: flex; align-items: center; gap: 12px; }
.subset-status { font-size: 12.5px; color: var(--ink-soft); }

.sidebar { position: sticky; top: 78px; display: flex; flex-direction: column; gap: 16px; }
.sidebar-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.sidebar-card h2 { font-size: 13px; margin: 0 0 10px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); }
.info-list { margin: 0; font-size: 13px; }
.info-list div { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px dashed var(--border); }
.info-list div:last-child { border-bottom: none; }
.info-list dt { color: var(--ink-soft); }
.info-list dd { margin: 0; font-weight: 600; text-align: right; }

.status-summary { list-style: none; margin: 0; padding: 0; font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
.status-summary li { display: flex; align-items: center; gap: 8px; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }

.build-report {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; font-size: 12.5px; box-shadow: var(--shadow);
}
.build-report h3 { margin: 0 0 8px; font-size: 13px; }
.build-report ul { margin: 0; padding-left: 18px; }
.build-report .download-link {
  display: inline-block; margin-top: 10px; background: var(--green); color: #fff;
  padding: 8px 14px; border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 13px;
}

.char-list { display: flex; flex-direction: column; gap: 10px; }

.char-row {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.char-row-summary {
  width: 100%; display: flex; align-items: center; gap: 14px; padding: 12px 16px;
  background: transparent; border: none; cursor: pointer; text-align: left; font: inherit; color: inherit;
}
.char-glyph-badge {
  width: 44px; height: 44px; border-radius: 8px; background: var(--bg);
  border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; flex: none;
}
.mini-preview { width: 30px; height: 30px; }
.char-meta { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.char-title { font-weight: 700; font-size: 15px; }
.char-label { font-size: 12px; color: var(--ink-soft); }
.char-status-pill {
  font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 999px; white-space: nowrap;
}
.status-present { background: var(--green-bg); color: var(--green); }
.status-existing_unmapped { background: var(--blue-bg); color: var(--blue); }
.status-composable { background: var(--blue-bg); color: var(--blue); }
.status-composable_synthetic { background: var(--amber-bg); color: var(--amber); }
.status-needs_attention { background: var(--red-bg); color: var(--red); }

.char-include { display: flex; align-items: center; }
.char-include input { width: 17px; height: 17px; accent-color: var(--accent); cursor: pointer; }
.chevron { color: var(--ink-soft); transition: transform .15s ease; }
.char-row.open .chevron { transform: rotate(180deg); }

.char-editor { border-top: 1px solid var(--border); padding: 18px 20px 22px; background: #fcfbf9; }
.editor-grid { display: grid; grid-template-columns: 260px 1fr; gap: 22px; }
.editor-preview { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.big-preview {
  width: 220px; height: 220px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px;
}
.editor-warnings { font-size: 12px; color: var(--amber); text-align: center; }
.editor-warnings .warn-line { background: var(--amber-bg); border-radius: 6px; padding: 6px 8px; margin-top: 4px; }
.editor-warnings .warn-line.attention { background: var(--red-bg); color: var(--red); }

.field-group { margin-bottom: 14px; }
.field-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.field {
  display: flex; flex-direction: column; gap: 5px; flex: 1; min-width: 150px;
}
.field label { font-size: 11.5px; font-weight: 700; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .03em; }
.field input[type="text"], .field input[type="number"] {
  font: inherit; padding: 7px 10px; border: 1px solid var(--border); border-radius: 7px; background: var(--panel);
}
.field-slider { display: flex; align-items: center; gap: 8px; }
.field-slider input[type="range"] { flex: 1; }
.field-slider input[type="number"] { width: 78px; }
.source-desc { font-size: 12px; color: var(--ink-soft); background: var(--bg); border-radius: 6px; padding: 6px 8px; margin-bottom: 6px; }
.field-actions { display: flex; gap: 8px; margin-top: 4px; }
.existing-note {
  font-size: 13px; color: var(--ink-soft); background: var(--bg); border-radius: 8px; padding: 12px 14px;
}
.needs-attention-note { font-size: 13px; color: var(--red); background: var(--red-bg); border-radius: 8px; padding: 12px 14px; }

@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .editor-grid { grid-template-columns: 1fr; }
}