:root {
  color-scheme: light dark;

  --paper: #fefefe;
  --panel: #ffffff;
  --ink: #1e1e1e;
  --ink-soft: #1e1e1edb;
  --chrome: #1e1e1e;
  --on-chrome: #dedede;
  --chrome-meta: #888888;
  --muted: #858585;
  --muted-soft: #858585e6;
  --line: #c4c4c4;
  --accent: #f386a1;
  --accent-soft: #f386a133;
  --accent-hover: #f06f8d;
  --on-accent: #1e1e1e;
  --ok: #03aa5c;
  --ok-soft: #03aa5c22;
  --err: #b42318;
  --btn-off-bg: #e8e8e8;
  --btn-off-fg: #858585;
  --btn-off-line: #c4c4c4;
  --radius: 0;
  --border: 1.2px solid var(--ink);
  --font: "Host Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "Fragment Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121212;
    --panel: #1a1a1a;
    --ink: #f2f2f2;
    --ink-soft: #f2f2f2db;
    --chrome: #000000;
    --on-chrome: #dedede;
    --chrome-meta: #777777;
    --muted: #8a8a8a;
    --muted-soft: #8a8a8ae6;
    --line: #3d3d3d;
    --accent: #f386a1;
    --accent-soft: #f386a133;
    --accent-hover: #f5a0b5;
    --on-accent: #1e1e1e;
    --ok: #12b86a;
    --ok-soft: #12b86a33;
    --err: #f07178;
    --btn-off-bg: #2a2a2a;
    --btn-off-fg: #9a9a9a;
    --btn-off-line: #3d3d3d;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
}

/* —— Top bar —— */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  padding: 10px 16px;
  border-bottom: var(--border);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-logo {
  width: 28px;
  height: 28px;
  display: block;
  flex-shrink: 0;
}

.wordmark {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.topbar-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  min-width: 0;
  overflow-wrap: anywhere;
  /* Hidden on phones — product line already lives in INPUT chrome */
  display: none;
}

/* —— Page column —— */
.page {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 20px 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

/* —— Window chrome —— */
.win,
.win-detail {
  border: var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.win-title {
  display: flex;
  align-items: baseline;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 4px 10px;
  padding: 6px 10px;
  background: var(--chrome);
  color: var(--on-chrome);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.2;
}

.win-meta {
  color: var(--chrome-meta);
  letter-spacing: 0.04em;
  font-size: 10px;
  text-align: left;
  flex: 1 1 100%;
  min-width: 0;
  overflow-wrap: anywhere;
}

.win-body {
  padding: 14px;
}

.lede {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 14px;
  max-width: 42em;
}

/* —— Input row —— */
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

#text-input {
  width: 100%;
  min-height: 44px;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  font: 400 16px/1.3 var(--font);
  color: var(--ink);
  padding: 10px 12px;
  outline: none;
}

#text-input::placeholder {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
}

#text-input:hover {
  border-color: var(--ink);
}

#text-input:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 2px var(--accent-soft), 0 0 0 3.2px var(--accent);
}

#suggest-btn {
  appearance: none;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--on-accent);
  font: 600 14px/1 var(--font);
  letter-spacing: 0.02em;
  padding: 0 18px;
  min-height: 44px;
  min-width: 0;
  width: 100%;
  cursor: pointer;
  transition: background 0.12s ease, transform 0.08s ease;
}

#suggest-btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

#suggest-btn:active:not(:disabled) {
  transform: translateY(1px);
}

#suggest-btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

#suggest-btn:disabled {
  background: var(--btn-off-bg);
  color: var(--btn-off-fg);
  cursor: not-allowed;
  border-color: var(--btn-off-line);
}

/* —— Status / stats —— */
.status {
  margin: 12px 0 0;
  min-height: 1.2em;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

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

.stats {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted-soft);
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.stats[hidden] {
  display: none;
}

/* —— Output —— */
.suggestions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  min-height: 40px;
  align-items: center;
}

.suggestions span[data-ghost] {
  pointer-events: none;
  z-index: 1;
}

.suggestions span {
  font-size: 26px;
  line-height: 1;
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.suggestions span:hover {
  border-color: var(--ink);
  background: var(--accent-soft);
}

.suggestions span:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.suggestions span.is-copied {
  border-color: var(--ok);
  background: var(--ok-soft);
}

@media (prefers-reduced-motion: no-preference) {
  /* enter — opacity only, no stagger/bounce */
  .suggestions span.emoji-enter {
    animation: emoji-in 160ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }

  /* exit — fade out while leaving */
  .suggestions span.emoji-exit {
    animation: emoji-out 140ms ease both;
    pointer-events: none;
  }
}

/* reorder uses FLIP on transform (see js/app.js); no keyframes needed */

@keyframes emoji-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes emoji-out {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* —— Toast —— */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 50;
  margin: 0;
  padding: 8px 12px;
  background: var(--chrome);
  color: var(--on-chrome);
  border: 1.2px solid var(--chrome);
  border-radius: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-50%) translateY(6px);
}

.toast[hidden] {
  display: none;
}

.toast.is-on {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
  .toast {
    transition: opacity 140ms ease, transform 140ms ease;
  }
}

.empty-hint {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.empty-hint.is-done {
  color: var(--ink-soft);
}

/* —— Detail (JS-filled window) —— */
.detail[hidden],
.win-detail[hidden] {
  display: none !important;
}

.win-detail:not([hidden]) {
  display: block;
}

.win-detail::before {
  content: "SCORE TRACE · 0–3";
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--chrome);
  color: var(--on-chrome);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.detail {
  margin: 0;
  padding: 14px;
  font-family: var(--font);
  color: var(--ink-soft);
}

.detail-label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.detail-label + .request-chart,
.detail-label + .table-wrap {
  margin-top: 0;
}

.detail-cats {
  color: var(--ink-soft);
  line-height: 1.5;
  font-family: var(--mono);
  font-size: 12px;
}

.chart-sub {
  margin-left: 8px;
  font-weight: 400;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

/* —— Tables —— */
.table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  margin: 8px 0 12px;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}

.table-wrap:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cat-table,
.emoji-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12px;
  margin: 0;
}

.cat-table th,
.cat-table td,
.emoji-table th,
.emoji-table td {
  border-bottom: 1px solid var(--line);
  padding: 7px 8px;
  text-align: left;
  vertical-align: top;
}

.cat-table th,
.emoji-table th {
  color: var(--muted);
  font-weight: 400;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  background: var(--paper);
  border-bottom: var(--border);
}

.cat-table td.num,
.emoji-table td.num,
.cat-table td.pages {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.cat-table tr.is-selected td {
  color: var(--ink);
  background: var(--accent-soft);
}

.cat-table .cat-name {
  font-weight: 600;
  color: var(--ink);
  white-space: normal;
  overflow-wrap: anywhere;
  max-width: 9rem;
}

.emoji-table .g {
  font-family: var(--font);
  font-size: 18px;
  line-height: 1;
  width: 2.5rem;
}

.emoji-table .strong {
  font-weight: 600;
  color: var(--ink);
}

.emoji-table .muted,
.cat-table .muted {
  color: var(--muted);
  font-weight: 400;
}

/* Category rowspan cell */
.emoji-table th.cat-cell,
.emoji-table .cat-cell {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  vertical-align: top;
  border-right: 1px solid var(--ink);
  width: 3.5rem;
  min-width: 3rem;
  max-width: 4.25rem;
  padding: 6px 4px;
}

.cat-cell-name {
  font-weight: 600;
  font-size: 10px;
  line-height: 1.25;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.cat-cell-score {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  color: var(--ink-soft);
  margin-top: 4px;
  line-height: 1.3;
  white-space: normal;
}

.cat-cell-score .pct,
.cat-cell-score .raw {
  display: block;
}

/* —— Request chart —— */
.request-chart {
  margin: 0 0 4px;
  padding: 12px;
  background: var(--panel);
  border: var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
}

.chart-step {
  display: grid;
  gap: 6px;
}

.chart-step-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13px;
  color: var(--ink);
}

.chart-step-num {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 0;
  background: var(--chrome);
  color: var(--on-chrome);
  font-family: var(--mono);
  font-size: 11px;
}

.chart-step-body {
  padding-left: 28px;
  display: grid;
  gap: 6px;
}

.chart-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 12px;
}

.chart-k {
  color: var(--muted);
  min-width: 2.5rem;
}

.chart-v {
  color: var(--ink);
  font-weight: 600;
}

.chart-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

.chart-arrow {
  margin: 10px 0;
  padding-left: 28px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
}

.chart-group {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.chart-group-head {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 2px;
}

.chart-group-head span {
  color: var(--muted);
  font-family: var(--mono);
}

.chart-formula {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 6px;
}

.chart-bar-track {
  height: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0;
  overflow: hidden;
  margin-bottom: 6px;
}

.chart-bar {
  height: 100%;
  background: var(--accent);
  min-width: 4px;
}

.chart-blocks {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.req-block {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 0;
  border: 1px solid var(--ink);
}

.req-green {
  background: var(--ok);
}

.req-blue {
  background: var(--accent);
}

.chart-total {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--ink);
  font-size: 12px;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.chart-total strong {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--ink);
}

.chart-line-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 8px 0 6px;
  font-family: var(--mono);
  font-size: 12px;
}

.chart-line-summary .chart-k {
  min-width: 0;
}

/* —— Footer —— */
.foot {
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  padding: 12px 16px 20px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.foot a {
  color: inherit;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.foot a:hover {
  color: var(--ink);
}

/* —— Motion —— */
@media (prefers-reduced-motion: no-preference) {
  #suggest-btn {
    transition: background 0.12s ease, transform 0.08s ease;
  }
}

/* —— Wider than phone —— */
@media (min-width: 520px) {
  .topbar {
    flex-wrap: nowrap;
  }

  .topbar-meta {
    display: inline;
    white-space: nowrap;
  }

  .win-title {
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
  }

  .win-meta {
    flex: 0 1 auto;
    text-align: right;
    white-space: nowrap;
  }

  .row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  #suggest-btn {
    width: auto;
    min-width: 108px;
  }

  .suggestions span {
    font-size: 30px;
    width: 42px;
    height: 42px;
  }

  .cat-table,
  .emoji-table {
    min-width: 420px;
  }

  .emoji-table th.cat-cell,
  .emoji-table .cat-cell {
    width: 4.5rem;
    min-width: 3.75rem;
    max-width: 5.5rem;
    padding: 6px 6px 6px 8px;
  }

  .cat-cell-name {
    font-size: 11px;
  }

  .cat-cell-score {
    font-size: 10px;
  }
}