:root {
  color-scheme: light dark;
  --bg: #0f1117;
  --panel: #151925;
  --text: #f4f4f5;
  --muted: #9ea3b5;
  --accent: #8b5cf6;
  --accent-strong: #a78bfa;
  --surface: #0c0f16;
  --border: #1f2433;
  --success: #4ade80;
  --danger: #f97316;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
  font-family: "Inter", "SF Pro Text", system-ui, -apple-system, sans-serif;
}

.light {
  --bg: #f7f7fb;
  --panel: #ffffff;
  --surface: #eef0f7;
  --text: #0f1021;
  --muted: #535a6d;
  --accent: #7c3aed;
  --accent-strong: #8b5cf6;
  --border: #e4e7f3;
  --success: #16a34a;
  --danger: #ea580c;
  --shadow: 0 16px 40px rgba(15, 16, 33, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  padding: 16px;
}

.app {
  max-width: 960px;
  margin: 0 auto 40px auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.syntax-guide {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  display: grid;
  gap: 10px;
}

.syntax-guide__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.syntax-guide__header h2 {
  margin: 0;
}

.syntax-guide h2 {
  margin: 0;
  font-size: 18px;
}

.syntax-guide ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.syntax-guide.syntax-guide--collapsed ul {
  display: none;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand__dot {
  width: 14px;
  height: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-radius: 999px;
  box-shadow: 0 0 0 10px rgba(139, 92, 246, 0.08);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 8px 0;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 3vw, 36px);
}

.lede {
  margin: 8px 0 0 0;
  color: var(--muted);
  max-width: 680px;
  line-height: 1.5;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}


.workspace {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.topline {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}

.topline__status {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.topline__actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: end;
  gap: 12px;
  width: 100%;
}

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

.button-row > * {
  flex: 1 1 160px;
}

.log-control {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.log-control__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.log-control__title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.log-control__summary {
  margin: 0;
  font-size: 12px;
}

.log-level {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-alt);
}

.log-level__labels {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

#log-level {
  width: 100%;
}

.log-level__summary {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-level__name {
  font-weight: 700;
}

.log-level__notes {
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
  font-size: 12px;
  display: grid;
  gap: 4px;
}

.notebook {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notebook__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.notebook__header h2 {
  margin: 0;
  font-size: 18px;
}

.cell-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 260px;
}

.cell-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cell {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.cell__delete {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  padding: 0;
  font-size: 14px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--accent-strong);
  border: 1px solid var(--accent);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  z-index: 2;
}

.cell__adder {
  display: flex;
  justify-content: center;
}

.cell__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.cell__log {
  margin-top: 4px;
}

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

.code-editor {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.code-editor__body {
  position: relative;
  min-height: 140px;
}

.code-editor .cm-editor {
  background: transparent;
  height: 100%;
}

.code-editor .cm-scroller {
  overflow: auto;
}

.tok-keyword {
  color: #c084fc;
  font-weight: 600;
}

.tok-dice {
  color: #38bdf8;
}

.tok-modifier {
  color: #facc15;
}

.tok-attack {
  color: #f472b6;
  font-weight: 600;
}

.cm-diagnostic-error {
  text-decoration: underline wavy red;
}

.tok-crit {
  color: #fb923c;
  font-weight: 600;
}

.tok-oncrit-mode {
  color: #c4b5fd;
}

.tok-number {
  color: #a5b4fc;
}

.tok-operator {
  color: #fb7185;
}

.input-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

input[type="text"] {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  min-width: 150px;
}

button {
  border: none;
  border-radius: 10px;
  padding: 8px 12px;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.05s ease, border 0.2s ease, background 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

button.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  color: #0f1021;
  border: none;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.25);
}

button.ghost {
  background: transparent;
}

button.pill {
  border-radius: 999px;
}

.add-cell {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  font-size: 14px;
  padding: 2px;
}

.status {
  font-size: 13px;
  color: var(--muted);
  display: inline-block;
  min-height: 20px;
}

.status--success {
  color: var(--success);
}

.status--info {
  color: var(--accent-strong);
}

.status--error {
  color: var(--danger);
}

.log {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  min-height: 120px;
  max-height: 260px;
  overflow: auto;
  padding: 12px;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
}

.simple-log {
  min-height: 300px;
  max-height: 600px;
}

.log-entry {
  padding: 10px;
  border-radius: 10px;
  margin-bottom: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
}

.log-entry:last-child {
  margin-bottom: 0;
}

.log-entry__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}

.log-entry__content {
  margin-top: 6px;
  white-space: pre-wrap;
  line-height: 1.4;
}

.log-entry--error {
  border-color: rgba(249, 115, 22, 0.6);
  background: rgba(249, 115, 22, 0.08);
}

.log-entry--success {
  border-color: rgba(74, 222, 128, 0.55);
  background: rgba(74, 222, 128, 0.08);
}

.alias-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.aliases-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.aliases__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.alias {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  align-items: start;
  gap: 6px 12px;
  padding: 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border);
}

.alias__name {
  font-weight: 700;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.alias__value {
  word-break: break-word;
  overflow-wrap: anywhere;
}

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

.stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pmf {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pmf__section {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 8px;
}

.pmf__title {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

.pmf__subtitle {
  font-size: 12px;
  color: var(--muted-strong);
  margin-top: -2px;
  margin-bottom: 6px;
}

.pmf__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 4px 10px;
  margin: 0 0 6px 0;
  padding: 0;
  font-size: 12px;
}

.pmf__stats dt {
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.pmf__stats dd {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.pmf__chart {
  position: relative;
  height: 220px;
}

.pmf__chart canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.pmf__fallback {
  font-size: 13px;
  color: var(--muted);
  padding: 6px 8px;
  border: 1px dashed var(--border);
  border-radius: 6px;
}

.pmf__chart--combined {
  height: 320px;
}

.pmf__stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.pmf__stats-group {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  padding: 8px;
}

.pmf__stats-heading {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  margin: 8px 0 4px;
}

.pmf__stats-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
}

.pmf__stats-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
}

.pmf__stats-chip {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  margin-right: 6px;
}

.pmf__stats--compact {
  display: grid;
  grid-template-columns: repeat(2, minmax(60px, 1fr));
  gap: 3px 8px;
  font-size: 11px;
}

.pmf__stats--compact dt {
  font-size: 11px;
}

.pmf__stats--compact dd {
  font-size: 11px;
}

.shared-settings {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.settings-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.settings-row .status {
  flex: 1 1 auto;
}

.settings-row button {
  white-space: nowrap;
}

.simple-mode {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.simple-mode__header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.simple-mode__header h2 {
  margin: 0;
  font-size: 24px;
}

.simple-mode__input-section {
  display: flex;
  gap: 12px;
  align-items: center;
}

.simple-input {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 16px;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
  transition: border-color 0.2s ease;
}

.simple-input:focus {
  outline: none;
  border-color: var(--accent);
}

.simple-input::placeholder {
  color: var(--muted);
}

.simple-mode__evaluate-btn {
  padding: 12px 24px;
  font-size: 16px;
  flex-shrink: 0;
}

.simple-mode__results {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.simple-mode__results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.simple-mode__results-header h3 {
  margin: 0;
  font-size: 18px;
}

.simple-mode__examples {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.simple-mode__examples h3 {
  margin: 0;
  font-size: 18px;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}

.example-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.example-card:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.08);
  transform: translateY(-2px);
}

.example-card__title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.example-card__code {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 13px;
  color: var(--accent-strong);
  background: var(--bg);
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

  @media (max-width: 720px) {
    body {
      padding: 16px;
    }

    .hero {
      flex-direction: column;
    }

    .hero__actions {
      width: 100%;
      justify-content: flex-end;
    }

    .input-row {
      flex-direction: column;
      align-items: stretch;
    }

    input[type="text"] {
      width: 100%;
    }

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

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