:root {
  --bg: #0f0e17;
  --surface: #1a1825;
  --surface-2: #221f30;
  --border: #34304a;
  --text: #e8e6f0;
  --text-dim: #a29fb5;
  --accent: #9147ff;
  --accent-hover: #a76bff;
  --danger: #ff5c7a;
  --radius: 10px;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* {
  box-sizing: border-box;
}

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

.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.app-header h1 {
  margin: 0 0 4px;
  font-size: 2rem;
  background: linear-gradient(90deg, var(--accent), #ff5c7a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin: 0;
  color: var(--text-dim);
}

.disclaimer {
  margin: 16px 0 28px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.9rem;
  color: var(--text-dim);
}

.disclaimer a {
  color: var(--accent-hover);
}

.layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.builder,
.settings {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.presets-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.preset-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color 0.15s, background 0.15s;
}

.preset-btn:hover {
  border-color: var(--accent);
  background: #2a2440;
}

.countdown-form {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
}

.countdown-form h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--accent-hover);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 10px;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  margin: 0 0 10px;
}

fieldset legend {
  padding: 0 6px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

fieldset label {
  flex-direction: row;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

input[type="text"],
input[type="number"],
input[type="datetime-local"],
input[type="search"],
select,
textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 0.9rem;
  font-family: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  cursor: pointer;
  font-family: inherit;
}

.editor {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
}

.editor label {
  margin-bottom: 6px;
}

#response {
  font-family: var(--mono);
  font-size: 0.9rem;
}

.char-count {
  align-self: flex-end;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 4px;
}

.tag-palette {
  margin-bottom: 18px;
}

.tag-palette input {
  width: 100%;
  margin-bottom: 10px;
}

.tag-list {
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tag-group h4 {
  margin: 0 0 6px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.tag-btn {
  width: 100%;
  text-align: left;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--text);
}

.tag-btn:hover {
  border-color: var(--accent);
}

.tag-btn code {
  font-family: var(--mono);
  color: var(--accent-hover);
  font-size: 0.82rem;
}

.tag-btn span {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.tag-empty {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.preview-label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.preview-box {
  background: var(--surface-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-size: 0.92rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.settings h2 {
  font-size: 1.05rem;
  margin: 0 0 12px;
}

.settings h2:not(:first-child) {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.settings-form input,
.settings-form select,
.settings-form textarea {
  width: 100%;
}

.preset-note {
  background: #241a3a;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 14px;
}

button.primary {
  width: 100%;
  background: var(--accent);
  border: none;
  color: white;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
}

button.primary:hover {
  background: var(--accent-hover);
}

.checklist-wrap {
  margin-top: 12px;
}

#checklistOutput {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-family: var(--mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0 0 8px;
}

.hidden {
  display: none !important;
}

.save-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.save-row input {
  flex: 1;
}

.saved-list {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
}

.saved-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 0.85rem;
}

.saved-list li span {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.saved-list button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.78rem;
}

.saved-list button.danger {
  border-color: var(--danger);
  color: var(--danger);
}

.saved-empty {
  color: var(--text-dim);
  font-size: 0.85rem;
  list-style: none;
}

.io-row {
  display: flex;
  gap: 8px;
}

.io-row button,
.file-btn {
  flex: 1;
  text-align: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px;
  font-size: 0.82rem;
}

.file-btn:hover,
.io-row button:hover {
  border-color: var(--accent);
}

.app-footer {
  margin-top: 32px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.app-footer a {
  color: var(--accent-hover);
}