:root {
  color-scheme: dark;
  --bg: #17191c;
  --surface: #202327;
  --surface-2: #262a2e;
  --surface-3: #2d3237;
  --line: #3b4046;
  --text: #f2f3f5;
  --muted: #a3aab2;
  --muted-2: #7f8790;
  --blue: #3a76f0;
  --blue-hover: #4c87ff;
  --success: #6ed39b;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: var(--bg); }
button, select, textarea, input { font: inherit; }
button { color: inherit; }
.topbar {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 max(18px, calc((100% - 1000px) / 2));
  border-bottom: 1px solid #2b2f33;
  background: #1a1c1f;
}
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--text); text-decoration: none; font-size: 13px; font-weight: 650; }
.brand-mark { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 13px; font-weight: 750; }
.local-note { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 11px; }
.status-light { width: 7px; height: 7px; border-radius: 50%; background: var(--success); }
.page-wrap { width: min(1000px, calc(100% - 32px)); margin: 0 auto; padding: 26px 0 22px; }
.intro { margin: 0 0 14px; }
h1 { margin: 0 0 4px; font-size: clamp(21px, 4vw, 28px); line-height: 1.2; letter-spacing: -0.035em; }
.intro p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.formatter-card, .emoji-card { overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.toolbar { min-height: 52px; display: flex; align-items: center; gap: 9px; padding: 9px 12px; border-bottom: 1px solid var(--line); }
.inline-control { display: inline-flex; align-items: center; gap: 8px; margin-right: auto; color: var(--muted); font-size: 11px; }
select, .terms-details input { min-height: 32px; padding: 5px 9px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-2); color: var(--text); font-size: 11px; }
select { max-width: 190px; cursor: pointer; }
.button { min-height: 32px; padding: 0 11px; border: 1px solid transparent; border-radius: 6px; font-size: 11px; font-weight: 600; white-space: nowrap; cursor: pointer; transition: background 120ms ease, border-color 120ms ease; }
.button-primary { background: var(--blue); color: #fff; }
.button-primary:hover:not(:disabled) { background: var(--blue-hover); }
.button-secondary { border-color: var(--line); background: var(--surface-2); color: var(--text); }
.button-secondary:hover:not(:disabled) { border-color: #606872; background: var(--surface-3); }
.button-quiet { background: transparent; color: var(--muted); }
.button-quiet:hover { background: var(--surface-2); color: var(--text); }
.button:disabled { opacity: 0.45; cursor: not-allowed; }
.rules-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.check-control { display: inline-flex; align-items: center; gap: 6px; color: #dce0e4; font-size: 11px; cursor: pointer; }
.check-control input { width: 14px; height: 14px; margin: 0; accent-color: var(--blue); }
.terms-details { position: relative; color: var(--muted); font-size: 11px; }
.terms-details summary { cursor: pointer; user-select: none; }
.terms-details[open] { flex: 1 1 100%; display: flex; align-items: center; gap: 8px; }
.terms-details input { flex: 1; min-width: 150px; }
.terms-details summary:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .drop-hint:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.drop-hint { padding: 7px 12px; border-bottom: 1px solid var(--line); color: var(--muted-2); font-size: 10px; text-align: center; cursor: pointer; }
.drop-hint > span { color: var(--blue); font-weight: 700; }
.drop-hint:hover, .drop-hint.is-dragging { background: #202b40; color: #dbe5f7; }
.workbench { display: grid; grid-template-columns: 1fr 1fr; }
.pane { min-width: 0; padding: 11px; }
.pane + .pane { border-left: 1px solid var(--line); }
.pane-heading { min-height: 24px; display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 7px; }
h2 { margin: 0; font-size: 12px; font-weight: 650; }
.pane-heading span { color: var(--muted-2); font-size: 10px; }
textarea { display: block; width: 100%; min-height: 225px; resize: vertical; padding: 11px; border: 1px solid var(--line); border-radius: 6px; outline: none; background: #181a1d; color: var(--text); font: 12px/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; tab-size: 2; }
textarea::placeholder { color: #777f88; }
textarea:focus { border-color: #4d7fd5; }
#outputText.centered { text-align: center; }
.card-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 49px; padding: 8px 12px; border-top: 1px solid var(--line); }
#messageText { color: var(--muted); font-size: 10px; line-height: 1.4; }
#messageText[data-kind="success"] { color: var(--success); }
#messageText[data-kind="warning"] { color: #f3c86b; }
#messageText[data-kind="error"] { color: #ff8383; }
.footer-actions { display: flex; flex: 0 0 auto; gap: 7px; }
.emoji-card { display: grid; grid-template-columns: minmax(140px, 1fr) auto auto; align-items: center; gap: 14px; margin-top: 12px; padding: 11px 13px; }
.emoji-copy h2 { margin: 0 0 3px; font-size: 12px; }
.emoji-copy p { margin: 0; color: var(--muted); font-size: 10px; }
.emoji-output { min-width: 90px; color: var(--text); font-size: 23px; letter-spacing: 1px; text-align: center; overflow-wrap: anywhere; }
.emoji-actions { display: flex; gap: 7px; }
.page-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; padding: 11px 2px 0; color: var(--muted-2); font-size: 9px; line-height: 1.45; }
.style-picker-card { overflow: hidden; margin-top: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.style-picker-header { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px; border-bottom: 1px solid var(--line); }
.style-picker-header h2 { margin: 0 0 3px; }
.style-picker-header p { margin: 0; color: var(--muted); font-size: 10px; }
.style-picker-select { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 11px; }
.style-picker-select select { min-width: 245px; max-width: 360px; }
.style-picker-workbench { display: grid; grid-template-columns: 1fr 1fr; }
.style-picker-workbench .pane + .pane { border-left: 1px solid var(--line); }
.style-picker-workbench h3 { margin: 0; font-size: 11px; font-weight: 650; }
#unicodeStyleInput, #unicodeStyleOutput { min-height: 112px; font: 14px/1.55 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.style-picker-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 12px; border-top: 1px solid var(--line); }
.style-picker-footer p { max-width: 500px; margin: 0; color: var(--muted-2); font-size: 9px; line-height: 1.45; }
.style-picker-actions { display: flex; align-items: center; gap: 10px; }
#unicodeStyleMessage { color: var(--muted-2); font-size: 10px; white-space: nowrap; }

@media (max-width: 700px) {
  .topbar { padding-inline: 14px; }
  .page-wrap { width: calc(100% - 20px); padding-top: 17px; }
  .workbench { grid-template-columns: 1fr; }
  .pane + .pane { border-top: 1px solid var(--line); border-left: 0; }
  textarea { min-height: 170px; }
  .emoji-card { grid-template-columns: 1fr auto; gap: 9px; }
  .emoji-output { grid-column: 1 / -1; grid-row: 2; min-height: 32px; }
  .emoji-actions { grid-column: 1 / -1; justify-content: flex-start; }
  .style-picker-workbench { grid-template-columns: 1fr; }
  .style-picker-workbench .pane + .pane { border-top: 1px solid var(--line); border-left: 0; }
  .style-picker-footer { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 460px) {
  .topbar { min-height: 48px; }
  .brand { font-size: 12px; }
  .local-note { font-size: 9px; }
  .toolbar { flex-wrap: wrap; }
  .inline-control { flex: 1 1 100%; justify-content: space-between; margin-right: 0; }
  .inline-control select { flex: 1; }
  .rules-row { gap: 9px 12px; }
  .terms-details[open] { align-items: flex-start; flex-direction: column; }
  .terms-details input { width: 100%; }
  .card-footer { align-items: flex-start; flex-direction: column; }
  .footer-actions { width: 100%; }
  .footer-actions .button { flex: 1; }
  .emoji-actions { width: 100%; }
  .emoji-actions .button { flex: 1; }
  .style-picker-header { align-items: stretch; flex-direction: column; }
  .style-picker-select { align-items: flex-start; flex-direction: column; }
  .style-picker-select select { width: 100%; max-width: none; }
  .style-picker-actions { align-items: flex-start; flex-direction: column; width: 100%; }
  #unicodeStyleMessage { white-space: normal; }
  .style-picker-actions .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; } }