* { box-sizing: border-box; }

:root {
  --accent: #1a4f8b;
  --accent-dark: #123a66;
  --bg: #eef2f7;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #d8dee8;
  --ok: #15803d;
  --err: #b91c1c;
  --warn: #b45309;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
}

.header {
  background: linear-gradient(135deg, #123a66 0%, #1a4f8b 55%, #2b6cb0 100%);
  color: #fff;
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-logo {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 1px;
  flex: none;
}

.header h1 { margin: 0; font-size: 20px; }
.header p { margin: 2px 0 0; font-size: 13px; opacity: 0.85; }

.container {
  max-width: 860px;
  margin: 22px auto 30px;
  padding: 0 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(16, 30, 54, 0.06);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--accent-dark);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.status {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
}
.status-loading { background: #eff6ff; color: var(--accent); }
.status-ok { background: #f0fdf4; color: var(--ok); }
.status-error { background: #fef2f2; color: var(--err); }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 28px 16px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: #f5f9ff;
}

.link { color: var(--accent); text-decoration: underline; cursor: pointer; }

.diag { margin-top: 10px; }
.diag summary { cursor: pointer; font-size: 13px; color: var(--accent); }
.diag pre {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
  margin: 8px 0 0;
}

.file-list {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.file-list .file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.file-list .file-item:last-child { border-bottom: none; }
.file-list .file-item .fname { font-weight: 600; word-break: break-all; flex: 1; }
.file-list .file-item .fmeta { color: var(--muted); font-size: 12px; }
.file-list .file-item .fstatus { font-size: 12px; }
.file-list .file-item .fremove {
  border: none;
  background: transparent;
  color: var(--err);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
}
.file-list .file-item .fremove:hover { text-decoration: underline; }

.file-info {
  margin-top: 10px;
  padding: 10px 12px;
  background: #f5f9ff;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  word-break: break-all;
}
.file-info .fname { font-weight: 600; }

.file-result {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 8px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.file-result .fname { font-weight: 600; flex: 1; min-width: 180px; word-break: break-all; }
.file-result .f-ok { color: var(--ok); }
.file-result .f-err { color: var(--err); }

.preview-wrapper {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #e8ecf2;
  max-height: 640px;
  max-width: 100%;
  display: grid;
  place-items: center;
  overflow: auto;
  text-align: center;
}
.preview-wrapper canvas {
  display: block;
  cursor: crosshair;
  max-width: none;
}

.preset-btn {
  font-size: 12px;
  padding: 5px 10px;
}
.preset-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }

.page-btn {
  min-width: 38px;
  padding: 8px 10px;
  font-size: 14px;
  line-height: 1;
}
#preview-nav .field-label input[type="number"] {
  padding: 7px 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  text-align: center;
  color: var(--text);
}
#preview-nav .field-label input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}
#preview-nav { margin-bottom: 12px; padding-top: 8px; border-top: 1px solid var(--border); }

select {
  flex: 1;
  min-width: 240px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}
select:disabled { background: #f3f4f6; color: var(--muted); }

.field-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
}
.field-label select { min-width: 180px; flex: none; }

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 8px 0;
  font-size: 14px;
  cursor: pointer;
}
.checkbox input { margin-top: 3px; }

.btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover:not(:disabled) { border-color: var(--accent); background: #f5f9ff; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 11px 22px;
  margin-top: 6px;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-dark); }
.btn-primary.loading { opacity: 0.7; }

.hint { font-size: 13px; color: var(--muted); margin: 10px 0 0; }

.log {
  background: #101828;
  color: #d1d5db;
  border-radius: 8px;
  padding: 12px 14px;
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 12.5px;
  max-height: 260px;
  overflow-y: auto;
}
.log .l-time { color: #64748b; margin-right: 8px; }
.log .l-ok { color: #4ade80; }
.log .l-err { color: #f87171; }
.log .l-warn { color: #fbbf24; }
.log .l-info { color: #93c5fd; }

.footer {
  max-width: 860px;
  margin: 0 auto 30px;
  padding: 0 18px;
  font-size: 12.5px;
  color: var(--muted);
}