* { box-sizing: border-box; }

:root {
  --bg: #0f1115;
  --panel: #1a1d24;
  --panel-2: #232730;
  --border: #313641;
  --text: #e7e9ee;
  --muted: #9aa0ac;
  --accent: #1d70a6;
  --accent-hover: #2585c2;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.app-header {
  padding: 28px 32px 12px;
}
.app-header h1 { margin: 0; font-size: 22px; }
.subtitle { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
  padding: 16px 32px 48px;
  align-items: start;
}
@media (max-width: 880px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.panel h2 { margin: 0 0 14px; font-size: 15px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }

.preset-bar {
  display: flex;
  gap: 7px;
  margin-bottom: 18px;
}
.preset-bar select { flex: 1; min-width: 0; }

.field { margin-bottom: 14px; }
.field > label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 5px;
}
/* Consolidated image input: [×] [URL field] [Upload file] on one row. */
.field-row {
  display: flex;
  align-items: stretch;
  gap: 7px;
}
.field-row .url-field { flex: 1; min-width: 0; }
.field-row .upload-btn { flex: none; }
.clear-img {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  flex: none;
  padding: 0;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--muted);
  cursor: pointer;
}
.clear-img:hover { border-color: #e8896b; color: #e8896b; }

input[type="text"], input[type="file"], select {
  width: 100%;
  padding: 9px 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 13px;
}
input[type="text"]:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

.field.dragover {
  outline: 2px dashed var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

.upload-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 6px;
}
.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.12s, background 0.12s;
}
.upload-btn:hover { border-color: var(--accent); }
.upload-btn svg { flex: none; }
.file-hint {
  font-size: 11px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-hint.loaded { color: #7fc99a; }

.button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 12px;
}

button {
  padding: 9px 14px;
  border-radius: 7px;
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
button.primary:hover { background: var(--accent-hover); }
button.ghost {
  background: transparent;
  color: var(--text);
}
button.ghost:hover { border-color: var(--accent); }
button.small { padding: 6px 10px; font-size: 12px; }

.status {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--muted);
  min-height: 16px;
}
.status.error { color: #e8896b; }
.status.ok { color: #7fc99a; }

.advanced {
  margin-top: 18px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.advanced summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.adv-group {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.adv-group strong { font-size: 12px; }
.adv-group label {
  font-size: 12px;
  color: var(--muted);
}
.adv-group label span { color: var(--text); font-variant-numeric: tabular-nums; }
.adv-group label code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  color: var(--text);
  background: var(--panel-2);
  padding: 1px 4px;
  border-radius: 4px;
}
.check {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text) !important;
}
.color-row { display: flex; gap: 8px; align-items: center; }
input[type="color"] {
  width: 48px; height: 34px;
  padding: 2px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  cursor: pointer;
}
input[type="range"] { width: 100%; accent-color: var(--accent); }

textarea {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  padding: 9px 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  line-height: 1.5;
}
textarea:focus { outline: none; border-color: var(--accent); }

.stage {
  background: #fff;
  border-radius: 10px;
  width: 400px;
  height: 400px;
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.stage svg { width: 100%; height: 100%; display: block; }

.export-panel {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.export-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
}
.export-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  width: 52px;
  flex: none;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}
.chip:hover { border-color: var(--accent); }
.chip:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 22%, var(--panel-2));
}
.chip input { margin: 0; accent-color: var(--accent); }