:root {
  color-scheme: dark;
  --bg: #0b0f12;
  --panel: #12181d;
  --panel-2: #1b2228;
  --accent: #f39b3d;
  --accent-soft: #f6b164;
  --text: #f7f3ee;
  --muted: #aeb6bd;
  --border: #2a343c;
  --green: #55b86c;
  --yellow: #d8b545;
  --grey: #62686f;
  --shadow: 0 18px 50px rgb(0 0 0 / 0.28);
  --radius: 8px;
  --sidebar-width: 292px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

body[data-scheme="light"] {
  color-scheme: light;
  --shadow: 0 18px 46px rgb(38 58 82 / 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel) 40%, transparent), transparent 420px),
    var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

svg {
  display: block;
  width: 1.08em;
  height: 1.08em;
  fill: currentColor;
  flex: 0 0 auto;
}

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

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100vh;
  padding: 20px 16px;
  border-right: 1px solid color-mix(in srgb, var(--border) 76%, transparent);
  background: color-mix(in srgb, var(--panel) 72%, var(--bg));
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 4px 12px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.26);
}

.brand-title {
  font-size: 1.16rem;
  font-weight: 800;
  line-height: 1.05;
}

.brand-subtitle,
.panel-heading p,
.footnote,
.result-meta,
.empty-state p {
  color: var(--muted);
}

.brand-subtitle {
  margin-top: 2px;
  font-size: 0.78rem;
  font-weight: 600;
}

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

.nav-item,
.mobile-tab,
.theme-option,
.word-chip,
.chip-tool,
.plain-word,
.word-token {
  border: 0;
  background: none;
  cursor: pointer;
}

.nav-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  width: 100%;
  min-height: 68px;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text);
  text-align: left;
}

.nav-item svg {
  color: var(--solver-tint, var(--accent));
  width: 24px;
  height: 24px;
  justify-self: center;
}

.nav-item strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.1;
}

.nav-item small {
  display: -webkit-box;
  margin-top: 4px;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.25;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.nav-item:hover,
.nav-item.is-active {
  border-color: color-mix(in srgb, var(--accent) 32%, var(--border));
  background: color-mix(in srgb, var(--panel-2) 74%, transparent);
}

.main {
  width: 100%;
  min-width: 0;
  padding: 22px 28px 34px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto 18px;
  max-width: 1240px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 1.72rem;
  line-height: 1.15;
}

h2 {
  font-size: 1rem;
  line-height: 1.25;
}

.topbar-actions,
.button-row,
.board-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-tabs {
  display: none;
}

.solver-grid {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 16px;
  max-width: 1240px;
  margin: 0 auto;
}

.wordle-layout {
  grid-template-columns: minmax(320px, 430px) minmax(430px, 1fr);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.panel {
  min-width: 0;
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  box-shadow: var(--shadow);
}

.input-panel,
.results-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-heading p {
  margin-top: 3px;
  font-size: 0.82rem;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.word-input,
.grid-cell,
select {
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--border) 74%, transparent);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--text);
  outline: none;
}

.word-input {
  height: 44px;
  padding: 0 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
}

.word-input.large {
  height: 48px;
  font-size: 1.18rem;
}

.word-input:focus,
.grid-cell:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.primary-button,
.ghost-button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--border));
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1;
}

.primary-button {
  padding: 0 14px;
  background: var(--accent);
  color: color-mix(in srgb, var(--bg) 92%, black);
}

.ghost-button {
  padding: 0 12px;
  background: color-mix(in srgb, var(--panel-2) 74%, transparent);
  color: var(--text);
}

.icon-button {
  width: 40px;
  padding: 0;
  background: color-mix(in srgb, var(--panel-2) 76%, transparent);
  color: var(--text);
}

.primary-button:hover:not(:disabled),
.ghost-button:hover:not(:disabled),
.icon-button:hover:not(:disabled) {
  filter: brightness(1.08);
}

.field-row,
.switch-row,
.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 40px;
  color: var(--text);
  font-size: 0.92rem;
}

.field-row select {
  max-width: 210px;
  height: 38px;
  padding: 0 34px 0 10px;
  font-size: 0.9rem;
}

.switch-row {
  justify-content: flex-start;
}

.switch-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.stepper {
  padding: 10px 0;
}

.stepper > div {
  display: flex;
  gap: 8px;
}

.wordle-board {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 0 8px;
}

.wordle-row {
  display: grid;
  grid-template-columns: repeat(5, 52px);
  gap: 2px;
}

.wordle-tile {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 0;
  border-radius: 0;
  color: white;
  cursor: pointer;
  font-family: ui-rounded, "SF Pro Rounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1;
}

.wordle-tile[data-feedback="grey"] {
  background: var(--grey);
}

.wordle-tile[data-feedback="yellow"] {
  background: var(--yellow);
}

.wordle-tile[data-feedback="green"] {
  background: var(--green);
}

.board-actions {
  justify-content: space-between;
}

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

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.legend-dot.is-grey {
  background: var(--grey);
}

.legend-dot.is-yellow {
  background: var(--yellow);
}

.legend-dot.is-green {
  background: var(--green);
}

.word-chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 8px;
}

.word-chip,
.word-token {
  min-width: 0;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--border));
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 800;
}

.word-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  min-height: 40px;
  padding: 0 9px;
}

.word-chip:hover,
.word-token:hover,
.plain-word:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

.rank-mark,
.secondary-mark,
.past-mark,
.score-badge {
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent-soft) 18%, transparent);
  color: var(--accent);
}

.rank-mark,
.secondary-mark,
.past-mark {
  width: 18px;
  height: 18px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.72rem;
}

.past-mark svg {
  width: 12px;
  height: 12px;
}

.chip-marks {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.result-list,
.group-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 62px;
  padding: 11px 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--border));
  border-radius: var(--radius);
  background: var(--panel-2);
}

.plain-word,
.phrase {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1rem;
  font-weight: 850;
  text-align: left;
}

.plain-word {
  padding: 0;
  border-bottom: 1px solid transparent;
}

.phrase-words {
  display: flex;
  flex-wrap: wrap;
  gap: 0 0.4em;
}

[data-long-define] {
  touch-action: manipulation;
  user-select: none;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.78rem;
}

.score-badge {
  min-width: 44px;
  height: 34px;
  padding: 0 8px;
  font-size: 1rem;
}

.grid-board {
  display: grid;
  grid-template-columns: repeat(4, 62px);
  gap: 2px;
  justify-content: center;
  padding: 4px 0 8px;
}

.grid-cell {
  width: 62px;
  height: 62px;
  padding: 0 4px;
  text-align: center;
  font-family: ui-rounded, "SF Pro Rounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 1.45rem;
  font-weight: 900;
}

.word-group {
  padding: 12px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel-2) 66%, transparent);
}

.group-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.group-heading span {
  color: var(--muted);
}

.word-grid-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 6px;
}

.word-token {
  min-height: 38px;
  padding: 0 8px;
}

.settings-layout {
  max-width: 720px;
  margin: 0 auto;
}

.theme-list {
  display: grid;
  gap: 8px;
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--text);
  text-align: left;
}

.theme-option.is-active {
  border-color: color-mix(in srgb, var(--accent) 54%, var(--border));
}

.theme-option svg {
  margin-left: auto;
  color: var(--accent);
}

.theme-swatch {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 1px solid rgb(255 255 255 / 0.16);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--swatch-bg) 0 50%, var(--swatch-panel) 50% 100%);
}

.theme-swatch::after {
  position: absolute;
  inset: 9px;
  border-radius: 999px;
  background: var(--swatch-accent);
  content: "";
}

.empty-state {
  display: grid;
  min-height: 190px;
  place-items: center;
  align-content: center;
  gap: 10px;
  border: 1px dashed color-mix(in srgb, var(--border) 72%, transparent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel-2) 36%, transparent);
  text-align: center;
}

.empty-state svg {
  width: 32px;
  height: 32px;
  color: var(--muted);
}

.footnote {
  margin-top: 10px;
  font-size: 0.78rem;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid color-mix(in srgb, var(--accent) 28%, transparent);
  border-top-color: var(--accent);
  border-radius: 999px;
  animation: spin 0.9s linear infinite;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgb(0 0 0 / 0.48);
}

.modal {
  width: min(520px, 100%);
  max-height: min(640px, calc(100vh - 36px));
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.modal-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.definition-body,
.modal-loading {
  padding: 18px;
}

.modal-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.definition-body h2 {
  font-size: 1.6rem;
}

.part-of-speech {
  margin: 3px 0 14px;
  color: var(--muted);
  font-weight: 700;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation: none;
  }
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .main {
    padding: 16px;
  }

  .topbar {
    margin-bottom: 12px;
  }

  .mobile-tabs {
    display: flex;
    gap: 8px;
    max-width: 100%;
    margin: 0 auto 14px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .mobile-tabs::-webkit-scrollbar {
    display: none;
  }

  .mobile-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 38px;
    padding: 0 10px;
    border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
    border-radius: var(--radius);
    background: var(--panel);
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 750;
    white-space: nowrap;
  }

  .mobile-tab.is-active {
    border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
    background: color-mix(in srgb, var(--panel-2) 80%, transparent);
    color: var(--accent);
  }

  .solver-grid,
  .wordle-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .main {
    padding: 14px 12px 26px;
  }

  .topbar h1 {
    font-size: 1.32rem;
  }

  .topbar-actions .ghost-button span {
    display: none;
  }

  .panel {
    padding: 14px;
  }

  .field-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .field-row select {
    max-width: none;
  }

  .wordle-row {
    grid-template-columns: repeat(5, 46px);
  }

  .wordle-tile {
    width: 46px;
    height: 46px;
    font-size: 1.35rem;
  }

  .grid-board {
    grid-template-columns: repeat(4, 54px);
  }

  .grid-cell {
    width: 54px;
    height: 54px;
    font-size: 1.22rem;
  }

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

  .button-row {
    flex-wrap: wrap;
  }
}