:root {
  color-scheme: light;
  font-family: 'Manrope', sans-serif;
  font-synthesis: none;
  --ink: #202b3c;
  --muted: #5f6c80;
  --soft: #77859a;
  --paper: #fbfdff;
  --wash: #f1f5fa;
  --line: #d9e2ee;
  --accent: #315fc4;
  --accent-soft: #e6eefc;
  --green: #28785e;
  --shadow: 0 12px 36px rgba(35, 58, 94, .07);
}

html.dark-mode {
  color-scheme: dark;
  --ink: #e8effa;
  --muted: #b8c5d8;
  --soft: #94a4bc;
  --paper: #202b3c;
  --wash: #151e2c;
  --line: #35445b;
  --accent: #82aaff;
  --accent-soft: #293a56;
  --green: #70c49e;
  --shadow: 0 12px 36px rgba(0, 0, 0, .2);
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; scrollbar-color: var(--line) var(--wash); scrollbar-width: thin; }
body { margin: 0; background: var(--wash); color: var(--ink); transition: background .25s ease, color .25s ease; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--wash); }
::-webkit-scrollbar-thumb { border: 2px solid var(--wash); border-radius: 10px; background: var(--line); transition: background-color .2s ease; }
::-webkit-scrollbar-thumb:hover, ::-webkit-scrollbar-thumb:active { background: color-mix(in srgb, var(--accent) 24%, var(--line)); }
[hidden] { display: none !important; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 3px;
}

.top-strip {
  position: sticky;
  z-index: 5;
  top: 0;
  display: flex;
  min-height: 64px;
  align-items: center;
  gap: 34px;
  padding: 0 max(24px, calc((100% - 1320px) / 2));
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(16px);
}
.top-brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 14px; font-weight: 800; letter-spacing: -.035em; text-decoration: none; }
.brand-mark { display: block; width: 30px; height: 30px; border-radius: 8px; }
.top-nav { display: flex; align-self: stretch; gap: 24px; }
.top-nav a { display: grid; align-items: center; border-bottom: 2px solid transparent; color: var(--muted); font-size: 11px; font-weight: 700; text-decoration: none; }
.top-nav a:hover, .top-nav a.active { border-color: var(--accent); color: var(--ink); }
.top-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.theme-button, .icon-button {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
  color: var(--muted);
}
.theme-button:hover, .icon-button:hover { border-color: var(--accent); color: var(--accent); }

.site-shell { width: min(1320px, calc(100% - 48px)); margin: 0 auto; padding: 40px 0 30px; }
.hero { display: flex; min-height: 116px; align-items: center; justify-content: space-between; gap: 24px; margin: 0 0 24px; }
.eyebrow, .panel-kicker, .stat-label { display: block; color: var(--accent); font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.hero .eyebrow { margin: 0 0 10px; }
h1 { margin: 0; font-size: clamp(35px, 4.6vw, 58px); font-weight: 800; letter-spacing: -.065em; line-height: 1.03; }
h1 em, .about-section em { color: var(--accent); font-family: 'Fraunces', Georgia, serif; font-weight: 400; }
.hero-copy p { margin: 10px 0 0; color: var(--muted); font-size: 13px; }
.hero-shortcut { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 12px; padding: 11px 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: var(--ink); font-size: 11px; font-weight: 800; text-decoration: none; transition: border-color .2s ease, transform .2s ease; }
.hero-shortcut:hover { transform: translateY(-2px); border-color: var(--accent); }
.hero-shortcut span { color: var(--accent); }

.app-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; align-items: start; gap: 16px; scroll-margin-top: 82px; }
.editor-column { min-width: 0; }
.tool-rail, .editor-toolbar, .editor-panel, .workspace-stats, .side-card { border: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow); }
.tool-rail { margin-bottom: 12px; padding: 15px 17px 12px; border-radius: 12px; }
.picker-topline { display: flex; align-items: center; gap: 10px; }
.mode-search { display: flex; min-width: 0; max-width: 420px; flex: 1; align-items: center; gap: 9px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; color: var(--soft); }
.mode-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent); }
.mode-search input { width: 100%; min-width: 0; padding: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 11px; }
.mode-search input::placeholder, textarea::placeholder { color: var(--soft); }
.mode-search input:focus-visible { outline: 0; }
.category-filters { display: flex; flex-wrap: wrap; gap: 5px; margin: 12px 0 10px; }
.category-button { flex: 0 0 auto; padding: 7px 11px; border: 1px solid transparent; border-radius: 7px; background: transparent; color: var(--muted); font-size: 10px; font-weight: 800; transition: color .15s ease, background .15s ease, border-color .15s ease; }
.category-button:hover { background: var(--wash); color: var(--ink); }
.category-button[aria-pressed="true"] { border-color: var(--line); background: var(--wash); color: var(--ink); }
.mode-list { display: flex; min-height: 36px; flex-wrap: wrap; align-items: center; gap: 6px; }
.mode-button { display: inline-flex; min-height: 34px; align-items: center; gap: 7px; padding: 5px 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--paper); color: var(--muted); font-size: 10px; font-weight: 700; transition: border-color .15s ease, color .15s ease, background .15s ease; }
.mode-button:hover { border-color: var(--accent); color: var(--accent); }
.mode-button.active { border-color: var(--accent); background: var(--accent); color: #fff; }
.dark-mode .mode-button.active { color: #142033; }
.mode-icon { display: grid; width: 19px; height: 19px; flex: 0 0 auto; place-items: center; border: 1px solid currentColor; border-radius: 5px; font-family: Georgia, serif; font-size: 10px; }
.mode-note { margin: 10px 0 0; padding: 9px 11px; border-radius: 7px; background: var(--accent-soft); color: var(--muted); font-size: 10px; line-height: 1.5; }
.mode-count { margin: 9px 0 0; color: var(--soft); font-family: 'DM Mono', monospace; font-size: 9px; }

.editor-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 9px 14px; align-items: center; padding: 11px 14px; border-radius: 11px; }
.toolbar-title { display: flex; min-width: 0; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--ink); font-family: 'DM Mono', monospace; font-size: 10px; }
.status-pulse { display: inline-block; width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 13%, transparent); }
.toolbar-divider, .muted { color: var(--soft); }
.service-status { color: var(--green); font-size: 9px; }
.toolbar-actions { display: flex; align-items: center; justify-content: flex-end; gap: 6px; }
.toolbar-button { padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--paper); color: var(--muted); font-size: 10px; font-weight: 700; }
.toolbar-button:hover { border-color: var(--accent); color: var(--accent); }
.language-control { display: flex; align-items: center; gap: 6px; color: var(--muted); font-family: 'DM Mono', monospace; font-size: 8px; text-transform: uppercase; }
.language-control select { max-width: 130px; padding: 7px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); color: var(--ink); font-size: 10px; }
.privacy-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 10px; line-height: 1.45; }
.grammar-privacy { padding-top: 8px; border-top: 1px solid var(--line); }

.editor-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.editor-panel { display: flex; min-width: 0; min-height: 340px; flex-direction: column; padding: 16px; border-radius: 11px; transition: border-color .2s ease, box-shadow .2s ease; }
.editor-panel:hover {
  border-color: color-mix(in srgb, var(--accent) 20%, var(--line));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 6%, transparent), var(--shadow);
}
.editor-panel:focus-within {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 9%, transparent), 0 12px 36px color-mix(in srgb, var(--accent) 9%, transparent);
}
.editor-header { display: flex; min-height: 53px; align-items: flex-start; justify-content: space-between; gap: 12px; }
.panel-kicker { display: none; }
h2 { margin: 0; color: var(--ink); font-size: 17px; letter-spacing: -.04em; }
.char-count { color: var(--soft); font-family: 'DM Mono', monospace; font-size: 9px; white-space: nowrap; }
.editor-panel textarea, .output-area { display: block; width: 100%; height: 220px; min-height: 140px; max-height: 45vh; flex: 1; padding: 16px 0; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); outline: 0; background: transparent; color: var(--ink); font-size: 15px; line-height: 1.7; }
.editor-panel textarea { resize: vertical; }
.editor-panel textarea:focus-visible { outline: 0; }
.output-area { overflow: auto; overflow-wrap: anywhere; white-space: pre-wrap; }
.output-placeholder { color: var(--soft); font-size: 12px; }
.editor-footer { display: flex; min-height: 28px; align-items: flex-end; justify-content: space-between; gap: 8px; padding-top: 11px; color: var(--soft); font-family: 'DM Mono', monospace; font-size: 8px; }
.shortcut { text-align: right; }
.copy-button, .save-button { border: 0; border-radius: 7px; background: var(--accent); color: #fff; font-size: 10px; font-weight: 800; }
.copy-button { flex: 0 0 auto; padding: 8px 10px; }
.copy-button:hover, .save-button:hover { filter: brightness(1.06); }
.output-actions { display: flex; align-items: flex-end; gap: 8px; }
.font-control { display: grid; gap: 4px; color: var(--soft); font-family: 'DM Mono', monospace; font-size: 8px; letter-spacing: .04em; text-transform: uppercase; }
.font-control select { width: 142px; max-width: 100%; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); color: var(--ink); font-family: 'Manrope', sans-serif; font-size: 10px; letter-spacing: 0; text-transform: none; }
.font-help { margin: -5px 0 8px; color: var(--muted); font-size: 9px; line-height: 1.5; }
.workspace-stats { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 12px; padding: 11px 15px; border-radius: 9px; }
.workspace-stats > div { display: flex; align-items: baseline; gap: 7px; }
.stat-label { color: var(--soft); font-size: 8px; }
.workspace-stats strong { color: var(--ink); font-size: 13px; }

.side-column { min-width: 0; }
.side-card { padding: 18px; border-radius: 11px; }
.side-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.side-heading .eyebrow { margin: 0 0 6px; }
.side-heading h2 { font-size: 16px; }
.save-button { display: flex; width: 100%; align-items: center; justify-content: center; gap: 7px; margin: 16px 0 12px; padding: 10px; }
.save-button span { font-size: 16px; font-weight: 400; }
.saved-list, .recent-list { display: grid; min-width: 0; max-height: 210px; gap: 6px; overflow-x: hidden; overflow-y: auto; }
.empty-state { margin: 4px 0; color: var(--soft); font-size: 10px; line-height: 1.5; }
.saved-entry, .recent-item { display: flex; min-width: 0; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--wash); color: var(--ink); font-size: 10px; line-height: 1.4; }
.saved-entry:hover, .recent-item:hover { border-color: var(--accent); }
.saved-item { min-width: 0; flex: 1; overflow: hidden; padding: 0; border: 0; background: transparent; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.saved-item span, .recent-item span { display: block; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.saved-remove { flex: 0 0 auto; padding: 0 2px; border: 0; background: transparent; color: var(--muted); font-size: 14px; }
.saved-remove:hover { color: var(--accent); }
.recent-item { width: 100%; text-align: left; cursor: pointer; }
.recent-item small { flex: 0 0 auto; color: var(--soft); font-family: 'DM Mono', monospace; font-size: 8px; }
.history-heading { display: flex; align-items: center; justify-content: space-between; margin: 20px 0 9px; padding-top: 15px; border-top: 1px solid var(--line); }
.history-heading .eyebrow { margin: 0; color: var(--soft); }
.text-link { padding: 0; border: 0; background: transparent; color: var(--accent); font-size: 9px; font-weight: 800; }

.about-section { display: grid; grid-template-columns: 180px minmax(0, 1fr); align-items: baseline; gap: 24px; margin-top: 32px; padding: 18px 0; border-top: 1px solid var(--line); }
.about-section h2 { font-size: 18px; }
.about-section p { max-width: 720px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.footer { display: flex; justify-content: space-between; gap: 14px; padding-top: 12px; color: var(--soft); font-size: 9px; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--accent); }
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 10; max-width: min(320px, calc(100% - 40px)); padding: 11px 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--ink); box-shadow: var(--shadow); color: var(--paper); font-size: 11px; font-weight: 700; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity .2s ease, transform .2s ease; }
.toast.visible { opacity: 1; transform: translateY(0); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 1020px) {
  .app-layout { grid-template-columns: minmax(0, 1fr) 230px; gap: 12px; }
  .editor-panel { min-height: 300px; }
  .editor-panel textarea, .output-area { height: 190px; }
  .editor-toolbar { grid-template-columns: 1fr; }
  .toolbar-actions { justify-content: flex-start; flex-wrap: wrap; }
  .privacy-note { grid-column: auto; }
}
@media (max-width: 880px) {
  .top-strip { min-height: 58px; gap: 18px; padding: 0 16px; }
  .top-nav { gap: 16px; }
  .site-shell { width: min(100% - 28px, 620px); padding-top: 25px; }
  .hero { min-height: 0; margin-bottom: 17px; }
  .hero-shortcut { padding: 9px 10px; font-size: 10px; }
  .app-layout { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .side-column { grid-row: 2; }
  .editor-column { grid-row: 1; }
  .editor-grid { grid-template-columns: 1fr; gap: 10px; }
  .editor-panel { min-height: 260px; padding: 14px; }
  .editor-panel textarea, .output-area { height: 160px; min-height: 120px; }
  .output-panel .editor-header { flex-wrap: wrap; }
  .output-actions { width: 100%; justify-content: space-between; }
  .font-control { min-width: 0; flex: 1; }
  .font-control select { width: 100%; }
  .font-help { margin-top: 0; }
  .mode-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mode-button { width: 100%; min-width: 0; }
  .mode-button > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .about-section { grid-template-columns: 1fr; gap: 7px; margin-top: 24px; }
}
@media (max-width: 640px) {
  .editor-grid { grid-template-columns: 1fr; }
  .editor-panel { min-height: 235px; padding: 13px; }
  .editor-panel textarea, .output-area { height: 145px; min-height: 110px; }
}
@media (pointer: coarse) {
  html { scrollbar-width: none; }
  *::-webkit-scrollbar { display: none; width: 0; height: 0; }
}
@media (max-width: 430px) {
  .hero { align-items: flex-start; }
  h1 { max-width: 270px; font-size: 38px; }
  .hero-copy p { max-width: 255px; font-size: 11px; line-height: 1.55; }
  .hero-shortcut { margin-top: 5px; }
  .tool-rail { padding: 12px; }
  .toolbar-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .toolbar-button { min-height: 34px; }
  .language-control { grid-column: 1 / -1; justify-content: space-between; }
  .language-control select { max-width: none; flex: 1; }
  .workspace-stats { justify-content: space-between; gap: 10px; }
  .footer { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}