:root {
  --paper: #f7f1e3;
  --ink: #1f1a17;
  --muted: #64594d;
  --accent: #b85c38;
  --accent-soft: #f0c6aa;
  --panel: rgba(255, 251, 245, 0.82);
  --line: rgba(31, 26, 23, 0.12);
  --warning: #8f2d1f;
  font-family: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(184, 92, 56, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(79, 117, 122, 0.15), transparent 26%),
    linear-gradient(180deg, #f9f3e7 0%, #efe2cf 100%);
}

.app {
  width: min(960px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.hero,
.panel,
.results-shell {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px rgba(62, 40, 24, 0.08);
}

.hero {
  padding: 28px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 0.95;
}

.intro {
  max-width: 58ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.panel {
  padding: 24px;
  margin-bottom: 18px;
}

.secondary-panel {
  padding-top: 18px;
}

.generator-form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.92rem;
  color: var(--muted);
}

.field-hint {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.field-row {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr) 140px;
}

.checkbox-field {
  gap: 0;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.checkbox-row input {
  width: auto;
}

input,
textarea,
select,
button {
  font: inherit;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(31, 26, 23, 0.18);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid rgba(184, 92, 56, 0.18);
  border-color: var(--accent);
}

select {
  appearance: none;
  cursor: pointer;
  padding-right: 44px;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(31, 26, 23, 0.65) 50%),
    linear-gradient(135deg, rgba(31, 26, 23, 0.65) 50%, transparent 50%);
  background-position:
    calc(100% - 24px) calc(50% - 2px),
    calc(100% - 16px) calc(50% - 2px);
  background-size: 8px 8px, 8px 8px;
  background-repeat: no-repeat;
}

.generate-button {
  justify-self: start;
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(135deg, #3f6b70 0%, #b85c38 100%);
  color: #fff8f0;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
  box-shadow: 0 12px 24px rgba(63, 107, 112, 0.18);
}

.ai-settings {
  border: 1px solid rgba(31, 26, 23, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.42);
  overflow: hidden;
}

.ai-settings summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 14px;
  font-weight: 600;
}

.ai-settings summary::-webkit-details-marker {
  display: none;
}

.ai-settings-body {
  padding: 0 14px 14px;
  display: grid;
  gap: 14px;
}

.generate-button:hover {
  transform: translateY(-1px);
}

.hint-shell {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid rgba(31, 26, 23, 0.08);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.48)),
    radial-gradient(circle at top right, rgba(184, 92, 56, 0.08), transparent 42%);
}

.hint-shell-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.hint-shell-head h2 {
  margin: 0;
  font-size: 1rem;
}

.hint-shell-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

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

.hint-field {
  gap: 6px;
}

.hint-field span {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.status {
  margin: 16px 0 0;
  min-height: 1.5rem;
}

.substatus {
  margin: 10px 0 0;
  min-height: 1.5rem;
}

.ai-debug {
  margin: 10px 0 0;
  border: 1px solid rgba(31, 26, 23, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.42);
  overflow: hidden;
}

.ai-debug summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 14px;
  font-weight: 600;
}

.ai-debug summary::-webkit-details-marker {
  display: none;
}

.ai-debug-body {
  padding: 0 14px 14px;
}

.debug-block {
  margin: 0 0 12px;
  padding: 12px 14px;
  border: 1px solid rgba(31, 26, 23, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}

.status-copy {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid rgba(31, 26, 23, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--muted);
}

.status[data-state="error"] {
  color: var(--warning);
}

.status[data-state="error"] .status-copy {
  border-color: rgba(143, 45, 31, 0.18);
  background: rgba(143, 45, 31, 0.06);
  color: var(--warning);
}

.substatus[data-state="error"] .status-copy {
  border-color: rgba(143, 45, 31, 0.18);
  background: rgba(143, 45, 31, 0.06);
  color: var(--warning);
}

.rhyme-browser {
  margin-top: 0;
}

.rhyme-browser-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 4px 2px 0;
  font-weight: 600;
}

.rhyme-browser-summary::-webkit-details-marker {
  display: none;
}

.rhyme-browser-summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 8px;
  transition: transform 160ms ease;
}

.rhyme-browser[open] .rhyme-browser-summary::before {
  transform: rotate(90deg);
}

.rhyme-browser-summary-copy {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 400;
}

.rhyme-browser-body {
  padding-top: 14px;
}

.rhyme-browser-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.rhyme-browser-head p {
  color: var(--muted);
}

.rhyme-tree {
  display: grid;
  gap: 10px;
}

.rhyme-group {
  border: 1px solid rgba(31, 26, 23, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.54);
  overflow: hidden;
}

.rhyme-group summary {
  cursor: pointer;
  list-style: none;
  padding: 11px 14px;
  font-weight: 600;
  font-size: 0.95rem;
}

.rhyme-group summary::-webkit-details-marker {
  display: none;
}

.rhyme-group summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 8px;
  transition: transform 160ms ease;
}

.rhyme-group[open] summary::before {
  transform: rotate(90deg);
}

.rhyme-group-body {
  display: grid;
  gap: 10px;
  padding: 0 14px 14px;
}

.rhyme-family {
  display: grid;
  gap: 8px;
  padding-left: 14px;
  border-left: 2px solid rgba(31, 26, 23, 0.08);
}

.rhyme-family-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.rhyme-family-title {
  color: var(--muted);
  font-size: 0.88rem;
}

.rhyme-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rhyme-chip,
.rhyme-word {
  border: 1px solid rgba(31, 26, 23, 0.12);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.9rem;
}

.rhyme-chip {
  background: rgba(184, 92, 56, 0.12);
  border-color: rgba(184, 92, 56, 0.2);
}

.results-shell {
  padding: 24px;
}

.results-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.results-head p {
  color: var(--muted);
}

.results {
  display: grid;
  gap: 16px;
}

.candidate {
  padding: 18px;
  border: 1px solid rgba(31, 26, 23, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.candidate-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.88rem;
  color: var(--muted);
}

.candidate-line {
  margin-bottom: 8px;
  font-size: 1.45rem;
  line-height: 1.25;
}

.candidate-summary {
  margin-bottom: 10px;
  color: var(--muted);
  line-height: 1.5;
}

.slot-plan-block {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 4px 10px;
  margin-top: 6px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 2px;
}

.slot-plan-label {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
}

.slot-plan-grid {
  display: grid;
  gap: 8px;
  align-items: center;
  width: max-content;
  min-width: 100%;
}

.slot-plan-cell {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 30px;
  padding: 4px 8px;
  border-radius: 10px;
  text-align: center;
  line-height: 1.2;
  white-space: nowrap;
  flex-wrap: nowrap;
  word-break: normal;
  overflow-wrap: normal;
}

.slot-plan-pattern {
  background: rgba(31, 26, 23, 0.05);
  color: var(--ink);
  font-family: "SFMono-Regular", "Menlo", "Consolas", monospace;
  font-size: 0.86rem;
}

.slot-plan-kind {
  background: rgba(184, 92, 56, 0.1);
  color: var(--muted);
  font-size: 0.84rem;
}

.slot-plan-empty {
  color: var(--muted);
}

.slot-plan-count {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.86rem;
}

.slot-plan-debug {
  margin-top: 8px;
}

.slot-plan-debug-title {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
}

.candidate-details {
  margin-bottom: 8px;
}

.candidate-details summary {
  cursor: pointer;
  color: var(--muted);
}

.meta,
.warning,
.empty-state {
  margin-bottom: 8px;
  color: var(--muted);
  line-height: 1.5;
}

.warning {
  color: var(--warning);
}

.empty-state {
  padding: 20px;
  border: 1px dashed rgba(31, 26, 23, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.4);
}

@media (max-width: 720px) {
  .app {
    padding-top: 20px;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .hint-grid {
    grid-template-columns: 1fr;
  }

  .panel,
  .results-shell,
  .hero {
    padding: 18px;
    border-radius: 20px;
  }

  .rhyme-browser-summary {
    align-items: flex-start;
    flex-direction: column;
  }

  .candidate-line {
    font-size: 1.2rem;
  }

  .slot-plan-block {
    grid-template-columns: 1fr;
  }

  .slot-plan-label {
    margin-top: 2px;
  }
}