:root {
  --ink: #1c2430;
  --muted: #5b6573;
  --paper: #f6f4ef;
  --card: #fffdf8;
  --line: #d9d3c7;
  --accent: #1f4b7a;
  --accent-2: #c45c26;
  --ok: #1f6b45;
  --ok-bg: #e7f4ec;
  --warn: #8a5a12;
  --warn-bg: #f8eedc;
  --bad: #9b2c2c;
  --bad-bg: #f8e6e4;
  --info-bg: #e8eef6;
  --radius: 12px;
  --shadow: none;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 "Segoe UI", system-ui, sans-serif;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: var(--accent);
  color: #f7f4ee;
  padding: 36px 0 32px;
  margin-bottom: 28px;
}

.site-header h1 {
  margin: 0 0 8px;
  font-size: 1.85rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.eyebrow {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  opacity: 0.8;
}

.lede { margin: 0 0 16px; max-width: 42rem; }

.help {
  margin: 0;
  padding-left: 1.2rem;
  max-width: 40rem;
}

.privacy {
  margin: 14px 0 0;
  font-size: 0.9rem;
  opacity: 0.85;
}

.dropzone {
  border: 2px dashed var(--accent);
  background: var(--card);
  border-radius: 16px;
  min-height: 180px;
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  cursor: pointer;
}

.dropzone strong { font-size: 1.2rem; }
.dropzone span { color: var(--muted); max-width: 36rem; }
.dropzone.is-drag { background: var(--info-bg); }
.drop-actions { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; justify-content: center; }

.btn {
  appearance: none;
  border: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font: inherit;
  cursor: pointer;
}

.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-small { padding: 6px 10px; font-size: 0.85rem; }

.upload-status {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.tool-section {
  margin: 32px 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.tool-head h2 { margin: 0 0 6px; font-size: 1.35rem; }
.tool-head p { margin: 0 0 16px; color: var(--muted); }
.tool-head code { font-size: 0.86em; }

.package-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.pkg-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  background: #fff;
}

.pkg-card h3 { margin: 0 0 6px; font-size: 0.95rem; }
.pkg-card ul { margin: 6px 0 0; padding-left: 1.1rem; font-size: 0.9rem; }
.pkg-card .ok { color: var(--ok); }
.pkg-card .bad { color: var(--bad); }

.check-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 16px;
  align-items: start;
}

.file-list, .mapping-list { display: flex; flex-direction: column; gap: 8px; }

.file-row, .map-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  background: #fff;
  cursor: pointer;
}

.file-row.selected { outline: 2px solid var(--accent); }
.file-row img, .map-row img {
  width: 72px;
  height: 48px;
  object-fit: contain;
  background: #eee;
  border-radius: 6px;
}

.file-meta { min-width: 0; }
.file-meta .name { font-weight: 600; word-break: break-all; }
.file-meta .sub { color: var(--muted); font-size: 0.88rem; }

.status {
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.status-ok { background: var(--ok-bg); color: var(--ok); }
.status-warn { background: var(--warn-bg); color: var(--warn); }
.status-bad { background: var(--bad-bg); color: var(--bad); }
.status-info { background: var(--info-bg); color: var(--accent); }

.preview-pane {
  position: sticky;
  top: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  background: #fff;
}

.preview-pane h3 { margin: 0 0 6px; }
.preview-note { color: var(--muted); font-size: 0.88rem; margin: 0 0 10px; }

.preview-stage {
  min-height: 220px;
  background: #111;
  color: #ddd;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
}

.preview-stage.empty { color: #bbb; background: #f0eee8; }
.preview-stage img { max-width: 100%; height: auto; display: block; }

.review-form fieldset {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 12px 0;
  padding: 8px 12px 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 10px;
}

.review-form legend { font-weight: 650; padding: 0 6px; }
.notes-label { display: block; font-weight: 600; margin-bottom: 4px; }
textarea, input, select {
  width: 100%;
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

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

.naming-form label, .check-label { font-weight: 600; font-size: 0.9rem; display: grid; gap: 6px; }
.check-label { font-weight: 500; grid-template-columns: auto 1fr; align-items: start; }
.span-2 { grid-column: 1 / -1; }
input[type="checkbox"] { width: auto; }

.naming-form .field-invalid input,
.naming-form .field-invalid select {
  border-color: var(--bad);
  background: var(--bad-bg);
  outline-color: var(--bad);
}

.field-error {
  color: var(--bad);
  font-size: 0.8rem;
  font-weight: 500;
  min-height: 1.1em;
}

.zip-hint.is-error { color: var(--bad); }

.token-preview { color: var(--muted); font-size: 0.9rem; }

.map-row {
  grid-template-columns: 72px minmax(0, 1fr) minmax(140px, 0.4fr) auto;
  cursor: default;
}

.map-row .arrow { color: var(--muted); font-size: 0.88rem; word-break: break-all; }
.region-override, .suffix-override { font-weight: 500; font-size: 0.8rem; }

.download-bar { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 16px; }
.zip-hint { margin: 0; color: var(--muted); font-size: 0.9rem; }

.site-footer { padding: 8px 20px 40px; color: var(--muted); font-size: 0.9rem; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (max-width: 860px) {
  .check-layout, .naming-form, .map-row, .file-row {
    grid-template-columns: 1fr;
  }
  .preview-pane { position: static; }
  .map-row img, .file-row img { width: 100%; height: 80px; }
}