:root {
  --bg: #ffffff;
  --text: #1c1a17;
  --text-soft: #6b6660;
  --accent: #d97a2b;
  --accent-dark: #b9651d;
  --border: #e7e3dc;
  --surface: #faf8f5;
  --specified-bg: #eef6ef;
  --specified-border: #cfe6d3;
  --specified-accent: #2f7d4f;
  --fillin-bg: #fdf4e6;
  --fillin-border: #f0dcbf;
  --fillin-accent: #b5731a;
  --error-bg: #fdecea;
  --error-border: #f4c9c4;
  --error-text: #b3261e;
  --radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  padding: 24px 18px 80px;
}

.container {
  max-width: 680px;
  margin: 0 auto;
}

/* hero */
.hero {
  margin: 24px 0 32px;
}

.hero-title {
  font-size: 1.7rem;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero-subhead {
  margin-top: 12px;
  color: var(--text-soft);
  font-size: 1rem;
}

/* composer */
.composer {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field-label {
  font-weight: 600;
  font-size: 0.95rem;
}

.field-help {
  color: var(--text-soft);
  font-size: 0.85rem;
}

.prompt-input {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  resize: vertical;
}

.prompt-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(217, 122, 43, 0.15);
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  font-weight: 600;
  border-radius: 10px;
  padding: 12px 18px;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.btn:disabled {
  opacity: 0.6;
  cursor: progress;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-dark);
}

.btn-secondary {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--text-soft);
}

#check-btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* output area */
.output {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.output:empty {
  margin-top: 0;
}

.loading {
  color: var(--text-soft);
  font-size: 0.95rem;
  padding: 8px 0;
}

/* mirror card */
.mirror-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.mirror-section {
  padding: 16px 18px;
}

.section-specified {
  background: var(--specified-bg);
  border-bottom: 1px solid var(--specified-border);
}

.section-filledin {
  background: var(--fillin-bg);
}

.section-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.section-specified .section-title {
  color: var(--specified-accent);
}

.section-filledin .section-title {
  color: var(--fillin-accent);
}

.section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 0.7rem;
  color: #fff;
  flex: none;
}

.section-specified .section-icon {
  background: var(--specified-accent);
}

.section-filledin .section-icon {
  background: var(--fillin-accent);
}

.section-note {
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  opacity: 0.85;
  font-size: 0.82rem;
}

.section-list {
  margin: 10px 0 0;
  padding-left: 20px;
}

.section-list li {
  margin-bottom: 6px;
}

.section-list li:last-child {
  margin-bottom: 0;
}

.section-empty {
  margin-top: 8px;
  color: var(--text-soft);
  font-style: italic;
}

/* action buttons */
.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.actions .btn {
  flex: 1 1 auto;
}

/* fix form */
.fix-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--surface);
}

.fix-form .btn {
  align-self: flex-start;
}

/* final clarified prompt */
.final-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.final-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-soft);
}

.clarified-text {
  white-space: pre-wrap;
  word-wrap: break-word;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.final-card .btn-primary {
  align-self: flex-start;
}

.open-in {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.open-in .btn {
  flex: 1 1 auto;
}

/* error */
.error-box {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.error-msg {
  color: var(--error-text);
  font-size: 0.92rem;
}

/* privacy note */
.privacy-note {
  font-size: 0.8125rem;
  color: var(--text-soft);
}

/* footer */
.site-footer {
  max-width: 680px;
  margin: 56px auto 0;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-soft);
}

.site-footer a {
  color: var(--text-soft);
  text-decoration: none;
  margin: 0 4px;
}

.site-footer a:hover {
  color: var(--text);
  text-decoration: underline;
}

/* content pages — /privacy and /about */
.back-home {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-soft);
  text-decoration: none;
}

.back-home:hover {
  color: var(--accent);
}

.prose p {
  margin-bottom: 14px;
}

.prose h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 26px 0 8px;
}

.prose ul {
  margin: 0 0 14px;
  padding-left: 22px;
}

.prose li {
  margin-bottom: 6px;
}

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

.prose .meta {
  color: var(--text-soft);
  font-size: 0.85rem;
  margin-bottom: 22px;
}

/* larger screens */
@media (min-width: 640px) {
  body {
    padding: 40px 24px 100px;
  }

  .hero {
    margin: 32px 0 40px;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .actions .btn {
    flex: 0 0 auto;
  }
}