/* ===========================================================
   Vkitext — shared design system
   =========================================================== */
:root {
  --bg:        oklch(0.975 0.006 270);
  --bg-2:      oklch(0.955 0.010 270);
  --surface:   #ffffff;
  --line:      oklch(0.915 0.010 270);
  --line-2:    oklch(0.87 0.012 270);
  --text:      oklch(0.26 0.025 270);
  --muted:     oklch(0.52 0.020 270);
  --faint:     oklch(0.62 0.015 270);
  --primary:   oklch(0.52 0.205 274);
  --primary-2: oklch(0.46 0.215 274);
  --primary-soft: oklch(0.95 0.035 274);
  --accent:    oklch(0.62 0.205 350);
  --accent-soft: oklch(0.955 0.035 350);
  --good:      oklch(0.60 0.16 150);
  --good-soft: oklch(0.95 0.04 150);
  --bad:       oklch(0.62 0.18 25);
  --bad-soft:  oklch(0.955 0.03 25);
  --radius:    16px;
  --radius-sm: 11px;
  --shadow:    0 1px 2px oklch(0.4 0.05 270 / 0.05), 0 8px 24px -12px oklch(0.4 0.08 270 / 0.18);
  --shadow-lg: 0 24px 60px -28px oklch(0.4 0.12 274 / 0.40);
  --maxw: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
.app { overflow-x: clip; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
main { display: block; }
.sec { max-width: var(--maxw); margin: 0 auto; padding: 38px 22px 0; }
.sec:last-of-type { padding-bottom: 10px; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: oklch(0.99 0.004 270 / 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.head-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 12px 22px;
  display: flex; align-items: center; gap: 18px;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); }
.brand-mark {
  width: 38px; height: 38px; flex: 0 0 auto;
  display: grid; place-items: center;
  border-radius: 11px;
  background: linear-gradient(150deg, var(--primary), var(--accent));
  color: #fff; font-weight: 800; font-size: 22px;
  font-family: "Space Grotesk", sans-serif;
  box-shadow: 0 6px 16px -6px var(--primary);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-size: 19px; font-weight: 800; letter-spacing: -0.02em; }
.brand-text em { font-style: normal; font-size: 11.5px; color: var(--muted); font-weight: 500; }
.site-nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.site-nav a {
  text-decoration: none; color: var(--muted); font-weight: 500; font-size: 14px;
  padding: 7px 12px; border-radius: 9px; white-space: nowrap;
  transition: background .15s, color .15s;
}
.site-nav a:hover { background: var(--bg-2); color: var(--text); }
.site-nav a.active { color: var(--primary); background: var(--primary-soft); font-weight: 600; }
.nav-burger { display: none; margin-left: auto; background: none; border: 1px solid var(--line-2); border-radius: 9px; width: 40px; height: 38px; font-size: 18px; cursor: pointer; color: var(--text); }

/* ---------- hero (home) ---------- */
.hero { position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 460px; z-index: 0;
  background:
    radial-gradient(620px 300px at 78% -8%, var(--accent-soft), transparent 70%),
    radial-gradient(720px 360px at 12% 0%, var(--primary-soft), transparent 68%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: var(--maxw); margin: 0 auto; padding: 52px 22px 8px;
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 44px; align-items: center;
}
.hero-copy h1 {
  font-size: clamp(30px, 4.2vw, 46px); line-height: 1.08; margin: 0 0 16px;
  letter-spacing: -0.03em; font-weight: 800;
}
.hero-copy h1 span {
  background: linear-gradient(110deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-copy p { font-size: 16.5px; color: var(--muted); margin: 0; max-width: 30em; }
.hero-copy b { color: var(--text); font-weight: 700; }

/* ---------- generator ---------- */
.gen { padding: 20px; box-shadow: var(--shadow-lg); }
.gen-input-wrap { position: relative; margin-bottom: 14px; }
.gen-input {
  width: 100%; font-family: inherit; font-size: 23px; font-weight: 600;
  padding: 16px 130px 16px 18px;
  border: 2px solid var(--line-2); border-radius: var(--radius-sm);
  background: var(--bg); color: var(--text); outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.gen-input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px var(--primary-soft); }
.gen-input::placeholder { color: var(--faint); font-weight: 500; }
.gen-input-tools { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); display: flex; align-items: center; gap: 8px; }
.gen-count { font-size: 12px; color: var(--faint); font-weight: 600; white-space: nowrap; }
.gen-clear { border: none; background: var(--bg-2); width: 30px; height: 30px; border-radius: 8px; cursor: pointer; font-size: 15px; color: var(--muted); }
.gen-clear:hover { background: var(--accent-soft); color: var(--accent); }
.gen-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.gen-fields label { display: flex; flex-direction: column; gap: 5px; }
.gen-fields span { font-size: 12px; font-weight: 600; color: var(--muted); }
.gen-fields input {
  font-family: inherit; font-size: 15px; padding: 9px 11px;
  border: 1.5px solid var(--line-2); border-radius: 9px; background: var(--bg); outline: none; color: var(--text);
  transition: border-color .15s;
}
.gen-fields input:focus { border-color: var(--primary); background: #fff; }
.adv-toggle {
  width: 100%; margin-top: 12px; display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 9px;
  padding: 10px 13px; cursor: pointer; font-family: inherit; font-size: 13.5px; font-weight: 600; color: var(--muted);
}
.adv-toggle:hover { background: var(--primary-soft); color: var(--primary); }
.caret { transition: transform .2s; }
.caret.open { transform: rotate(180deg); }
.adv-panel { margin-top: 10px; padding: 14px; background: var(--bg-2); border-radius: 11px; }
.adv-panel > p { margin: 0 0 10px; font-size: 13px; color: var(--muted); }
.adv-presets { display: flex; flex-wrap: wrap; gap: 7px; }
.adv-presets button {
  font-family: inherit; font-size: 14px; padding: 6px 12px; border-radius: 8px;
  border: 1px solid var(--line-2); background: #fff; cursor: pointer; color: var(--text);
  transition: border-color .15s, transform .1s;
}
.adv-presets button:hover { border-color: var(--primary); transform: translateY(-1px); }
.adv-reset { color: var(--accent) !important; font-weight: 600; }
.gen-btn {
  width: 100%; margin-top: 14px; font-family: inherit; font-size: 17px; font-weight: 700;
  padding: 15px; border: none; border-radius: var(--radius-sm); cursor: pointer; color: #fff;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  box-shadow: 0 12px 26px -10px var(--primary);
  transition: transform .12s, box-shadow .15s;
}
.gen-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -12px var(--primary); }
.gen-btn:active { transform: translateY(0); }

/* ---------- section heads ---------- */
.sec-head { margin-bottom: 18px; }
.kicker {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  color: var(--primary); background: var(--primary-soft); padding: 4px 11px; border-radius: 99px; margin-bottom: 10px;
}
.sec-head h2 { margin: 0; font-size: clamp(22px, 3vw, 28px); font-weight: 800; letter-spacing: -0.02em; }
.sec-head p { margin: 6px 0 0; color: var(--muted); font-size: 15px; max-width: 56ch; }

/* ---------- results ---------- */
.res-sec { padding-top: 26px; }
.results.empty { padding: 40px 22px; text-align: center; }
.empty-icon { font-size: 34px; margin-bottom: 8px; }
.results.empty p { margin: 0; color: var(--muted); font-size: 15px; }
.res-block + .res-block { margin-top: 22px; }
.res-title { font-size: 19px; font-weight: 800; margin: 0 0 12px; display: flex; align-items: baseline; gap: 10px; }
.res-title span { font-size: 12.5px; font-weight: 600; color: var(--primary); background: var(--primary-soft); padding: 3px 10px; border-radius: 99px; }
.res-sub { font-size: 14px; font-weight: 700; color: var(--muted); margin: 0 0 12px; text-transform: uppercase; letter-spacing: .04em; }
.res-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.res-row {
  display: flex; align-items: center; gap: 12px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); border-radius: 11px;
  padding: 12px 14px; transition: border-color .14s, box-shadow .14s, transform .1s;
}
.res-row:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-1px); }
.res-tag { flex: 0 0 auto; font-size: 11.5px; font-weight: 600; color: var(--muted); background: var(--bg-2); padding: 4px 9px; border-radius: 7px; min-width: 92px; }
.res-out { flex: 1; min-width: 0; font-size: 19px; overflow-wrap: anywhere; word-break: break-word; }
.res-out.wide { font-size: 18px; }
.res-copy { flex: 0 0 auto; font-size: 12px; font-weight: 600; color: var(--primary); opacity: 0; transition: opacity .14s; }
.res-row:hover .res-copy { opacity: 1; }

/* ---------- chips ---------- */
.sym-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: inherit; cursor: pointer; position: relative;
  background: var(--surface); border: 1px solid var(--line); border-radius: 11px;
  padding: 10px 14px; min-width: 50px; display: inline-flex; align-items: center; justify-content: center;
  transition: border-color .14s, transform .1s, box-shadow .14s, background .14s;
  color: var(--text);
}
.chip:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.chip.hit { background: var(--good); border-color: var(--good); }
.chip.hit .chip-val, .chip.hit .chip-vote, .chip.hit .chip-copy { color: #fff; }
.chip-val { font-size: 19px; line-height: 1.2; }
.chip-copy { position: absolute; top: -8px; right: -8px; width: 20px; height: 20px; border-radius: 7px; background: var(--primary); color: #fff; font-size: 11px; display: grid; place-items: center; opacity: 0; transform: scale(.6); transition: all .14s; box-shadow: var(--shadow); }
.chip:hover .chip-copy { opacity: 1; transform: scale(1); }

.name-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.chip-big { flex-direction: column; gap: 7px; padding: 14px 12px; align-items: stretch; text-align: center; }
.chip-big .chip-val { font-size: 18px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chip-vote { display: flex; gap: 10px; justify-content: center; font-size: 11.5px; font-weight: 600; }
.chip-vote .up { color: var(--good); }
.chip-vote .dn { color: var(--bad); }

/* ---------- collections ---------- */
.coll-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.coll-card { padding: 16px 16px 14px; }
.coll-title { font-weight: 700; font-size: 14.5px; margin-bottom: 11px; }
.coll-chars { display: flex; flex-wrap: wrap; gap: 7px; }
.coll-chars .chip { padding: 8px 11px; min-width: 42px; }
.coll-chars .chip-val { font-size: 17px; }

/* ---------- alphabet / numbers ---------- */
.alpha-wrap, .num-wrap { padding: 8px 18px; }
.alpha-row { display: flex; gap: 16px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--line); }
.alpha-row:last-child { border-bottom: none; }
.alpha-label { flex: 0 0 130px; font-size: 13px; font-weight: 600; color: var(--muted); padding-top: 8px; }
.alpha-chars { display: flex; flex-wrap: wrap; gap: 6px; }
.alpha-chars .chip { padding: 6px 9px; min-width: 34px; border-radius: 9px; }
.alpha-chars .chip-val { font-size: 17px; }
.year-row { display: flex; flex-wrap: wrap; gap: 7px; padding: 14px 0 4px; }

/* ---------- tools ---------- */
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tool-card { display: flex; align-items: center; gap: 13px; padding: 15px 16px; text-decoration: none; color: var(--text); transition: border-color .15s, transform .12s, box-shadow .15s; }
.tool-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.tool-glyph { flex: 0 0 auto; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; background: var(--primary-soft); font-size: 22px; }
.tool-text { display: flex; flex-direction: column; line-height: 1.25; }
.tool-text strong { font-size: 15px; font-weight: 700; }
.tool-text em { font-style: normal; font-size: 12.5px; color: var(--muted); }
.tool-arrow { margin-left: auto; color: var(--primary); font-size: 18px; opacity: .5; transition: transform .15s, opacity .15s; }
.tool-card:hover .tool-arrow { transform: translateX(3px); opacity: 1; }

/* ---------- stats ---------- */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
}
.stat { padding: 24px 18px; text-align: center; color: #fff; background: transparent; }
.stat-n { font-family: "Space Grotesk", sans-serif; font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
.stat-l { font-size: 13px; opacity: .85; margin-top: 3px; }

/* ---------- more button ---------- */
.more-btn {
  display: block; margin: 16px auto 0; font-family: inherit; font-size: 14px; font-weight: 600;
  padding: 10px 22px; border-radius: 99px; border: 1px solid var(--line-2); background: var(--surface);
  cursor: pointer; color: var(--primary); transition: border-color .15s, background .15s;
}
.more-btn:hover { border-color: var(--primary); background: var(--primary-soft); }

/* ---------- faq ---------- */
.faq { display: flex; flex-direction: column; gap: 9px; }
.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.faq-item.open { border-color: var(--primary); }
.faq-item > button { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px; background: none; border: none; padding: 15px 18px; cursor: pointer; font-family: inherit; font-size: 15.5px; font-weight: 600; color: var(--text); text-align: left; }
.faq-plus { flex: 0 0 auto; font-size: 20px; color: var(--primary); font-weight: 400; }
.faq-item .faq-body { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-item.open .faq-body { max-height: 320px; }
.faq-item .faq-body p { margin: 0; padding: 0 18px 16px; color: var(--muted); font-size: 14.5px; }

/* ---------- footer ---------- */
.site-foot { margin-top: 46px; background: oklch(0.22 0.025 274); color: oklch(0.82 0.02 274); }
.foot-inner { max-width: var(--maxw); margin: 0 auto; padding: 38px 22px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 22px; align-items: start; }
.foot-brand { display: flex; gap: 13px; align-items: flex-start; }
.foot-brand strong { color: #fff; font-size: 17px; }
.foot-brand p { margin: 5px 0 0; font-size: 13.5px; max-width: 42ch; line-height: 1.55; }
.foot-links { display: flex; flex-wrap: wrap; gap: 16px; justify-content: flex-end; }
.foot-links a { color: oklch(0.82 0.02 274); text-decoration: none; font-size: 14px; font-weight: 500; }
.foot-links a:hover { color: #fff; }
.foot-copy { grid-column: 1 / -1; border-top: 1px solid oklch(0.32 0.025 274); padding-top: 16px; font-size: 12.5px; color: oklch(0.65 0.02 274); }

/* ---------- toast ---------- */
.vki-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: oklch(0.24 0.03 274); color: #fff; padding: 12px 20px; border-radius: 99px;
  display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 100;
}
.vki-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.vki-toast .tick { width: 22px; height: 22px; border-radius: 50%; background: var(--good); display: grid; place-items: center; font-size: 13px; }
.vki-toast b { font-weight: 700; }

/* ===========================================================
   Inner-page components
   =========================================================== */
/* breadcrumb */
.breadcrumb { max-width: var(--maxw); margin: 0 auto; padding: 16px 22px 0; display: flex; flex-wrap: wrap; gap: 7px; align-items: center; font-size: 13px; color: var(--muted); }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--line-2); }
.breadcrumb .cur { color: var(--text); font-weight: 600; }

/* page hero (inner) */
.page-hero { position: relative; }
.page-hero::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 100%; z-index: 0;
  background:
    radial-gradient(560px 240px at 82% -20%, var(--accent-soft), transparent 70%),
    radial-gradient(640px 280px at 8% -10%, var(--primary-soft), transparent 68%);
}
.page-hero-inner { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; padding: 26px 22px 6px; }
.page-hero .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.game-badge { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; color: var(--primary); background: var(--primary-soft); padding: 5px 12px; border-radius: 99px; }
.game-badge.alt { color: var(--accent); background: var(--accent-soft); }
.game-badge.live { color: var(--good); background: var(--good-soft); }
.game-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.page-hero h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.1; margin: 0 0 12px; letter-spacing: -0.03em; font-weight: 800; }
.page-hero h1 span { background: linear-gradient(110deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.page-hero .lede { font-size: 16px; color: var(--muted); margin: 0; max-width: 64ch; }
.page-hero .lede b { color: var(--text); font-weight: 700; }

/* two-column layout for article */
.layout { max-width: var(--maxw); margin: 0 auto; padding: 30px 22px 0; display: grid; grid-template-columns: 1fr 280px; gap: 36px; align-items: start; }
.layout .aside { position: sticky; top: 78px; display: flex; flex-direction: column; gap: 16px; }

/* table of contents */
.toc { padding: 16px 18px; }
.toc h4 { margin: 0 0 10px; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.toc ol { margin: 0; padding: 0; list-style: none; counter-reset: toc; display: flex; flex-direction: column; gap: 2px; }
.toc li { counter-increment: toc; }
.toc a { display: flex; gap: 9px; text-decoration: none; color: var(--muted); font-size: 13.5px; padding: 6px 8px; border-radius: 8px; }
.toc a::before { content: counter(toc, decimal-leading-zero); color: var(--primary); font-weight: 700; font-size: 11.5px; opacity: .7; }
.toc a:hover { background: var(--primary-soft); color: var(--primary); }

/* article prose */
.prose { font-size: 16.5px; line-height: 1.72; color: oklch(0.32 0.02 270); }
.prose > * { margin-top: 0; }
.prose h2 { font-size: 25px; font-weight: 800; letter-spacing: -0.02em; color: var(--text); margin: 36px 0 14px; scroll-margin-top: 78px; }
.prose h3 { font-size: 19px; font-weight: 700; color: var(--text); margin: 26px 0 10px; }
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 22px; }
.prose li { margin-bottom: 7px; }
.prose b, .prose strong { color: var(--text); font-weight: 700; }
.prose a { color: var(--primary); text-decoration: none; border-bottom: 1.5px solid var(--primary-soft); }
.prose a:hover { border-color: var(--primary); }
.prose code { font-family: "Space Grotesk", monospace; background: var(--bg-2); padding: 2px 7px; border-radius: 6px; font-size: 15px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; color: var(--muted); font-size: 13.5px; margin: 0 0 22px; }
.article-meta .author { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--text); }
.article-meta .avatar { width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(150deg, var(--primary), var(--accent)); color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 700; }

/* placeholder image */
.ph-img { position: relative; border-radius: 14px; border: 1px solid var(--line); overflow: hidden;
  background-color: var(--bg-2);
  background-image: repeating-linear-gradient(135deg, transparent 0 14px, oklch(0.93 0.01 270) 14px 15px);
  display: grid; place-items: center; }
.ph-img span { font-family: "Space Grotesk", monospace; font-size: 12.5px; color: var(--faint); background: var(--surface); padding: 5px 12px; border-radius: 8px; border: 1px solid var(--line); }

/* callout */
.callout { display: flex; gap: 13px; padding: 16px 18px; border-radius: 13px; background: var(--primary-soft); border: 1px solid oklch(0.88 0.05 274); margin: 0 0 18px; }
.callout.warn { background: var(--bad-soft); border-color: oklch(0.9 0.04 25); }
.callout .ic { flex: 0 0 auto; font-size: 20px; }
.callout p { margin: 0; font-size: 14.5px; color: var(--text); }

/* nickname list (tool content page) */
.nick-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.nick-count { font-size: 14px; color: var(--muted); margin-right: auto; }
.nick-count b { color: var(--text); }
.sort-pills { display: flex; gap: 5px; background: var(--bg-2); padding: 4px; border-radius: 11px; }
.sort-pills button { font-family: inherit; font-size: 13px; font-weight: 600; padding: 7px 13px; border: none; border-radius: 8px; background: none; color: var(--muted); cursor: pointer; transition: background .15s, color .15s; }
.sort-pills button.active { background: var(--surface); color: var(--primary); box-shadow: var(--shadow); }
.nick-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.nick-row { display: flex; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 13px; padding: 12px 14px; transition: border-color .14s, box-shadow .14s; }
.nick-row:hover { border-color: var(--line-2); box-shadow: var(--shadow); }
.nick-rank { flex: 0 0 auto; width: 26px; text-align: center; font-family: "Space Grotesk", monospace; font-size: 13px; font-weight: 700; color: var(--faint); }
.nick-row:nth-child(-n+3) .nick-rank { color: var(--accent); }
.nick-name { flex: 1; font-size: 20px; min-width: 0; overflow-wrap: anywhere; word-break: break-word; cursor: pointer; }
.nick-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 6px; }
.vote-btn { display: inline-flex; align-items: center; gap: 5px; font-family: inherit; font-size: 13px; font-weight: 600; padding: 6px 10px; border-radius: 9px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; color: var(--muted); transition: all .14s; }
.vote-btn .v-ic { font-size: 14px; }
.vote-btn.up:hover, .vote-btn.up.on { color: var(--good); border-color: var(--good); background: var(--good-soft); }
.vote-btn.down:hover, .vote-btn.down.on { color: var(--bad); border-color: var(--bad); background: var(--bad-soft); }
.nick-copy { flex: 0 0 auto; width: 34px; height: 34px; padding: 0; line-height: 1; font-family: inherit; display: inline-flex; align-items: center; justify-content: center; border-radius: 9px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; color: var(--primary); font-size: 15px; transition: all .14s; }
.nick-copy:hover { background: var(--primary-soft); border-color: var(--primary); }

/* usage chart (30 day) */
.usage { padding: 22px 22px 18px; }
.usage-top { display: flex; flex-wrap: wrap; gap: 18px 30px; align-items: flex-end; margin-bottom: 20px; }
.usage-kpi .k-n { font-family: "Space Grotesk", monospace; font-size: 28px; font-weight: 700; letter-spacing: -0.02em; line-height: 1; }
.usage-kpi .k-l { font-size: 12.5px; color: var(--muted); margin-top: 5px; }
.usage-kpi .k-trend { font-size: 12px; font-weight: 700; color: var(--good); margin-left: 8px; }
.bars { display: flex; align-items: flex-end; gap: 3px; height: 120px; }
.bar { flex: 1; background: linear-gradient(180deg, var(--primary), var(--primary-2)); border-radius: 4px 4px 0 0; min-height: 4px; position: relative; transition: opacity .15s; opacity: .85; }
.bar:hover { opacity: 1; }
.bar:hover::after { content: attr(data-tip); position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); margin-bottom: 6px; background: oklch(0.24 0.03 274); color: #fff; font-size: 11px; padding: 4px 8px; border-radius: 6px; white-space: nowrap; pointer-events: none; }
.bars-axis { display: flex; justify-content: space-between; font-size: 11px; color: var(--faint); margin-top: 8px; }

/* category hub */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cat-card { display: flex; flex-direction: column; gap: 12px; padding: 18px; text-decoration: none; color: var(--text); transition: border-color .15s, transform .12s, box-shadow .15s; }
.cat-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.cat-head { display: flex; align-items: center; gap: 12px; }
.cat-glyph { flex: 0 0 auto; width: 50px; height: 50px; display: grid; place-items: center; border-radius: 13px; background: linear-gradient(150deg, var(--primary-soft), var(--accent-soft)); font-size: 24px; }
.cat-card h3 { margin: 0; font-size: 17px; font-weight: 700; }
.cat-card .cat-sub { font-size: 12.5px; color: var(--faint); }
.cat-preview { display: flex; flex-wrap: wrap; gap: 6px; }
.cat-preview span { font-size: 16px; background: var(--bg-2); border-radius: 7px; padding: 5px 9px; }
.cat-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 4px; }
.cat-foot .cnt { font-size: 12.5px; color: var(--muted); }
.cat-foot .go { font-size: 13px; font-weight: 600; color: var(--primary); }
.cat-section-title { font-size: 14px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; }
.cat-section-title::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* related cards */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-card { text-decoration: none; color: var(--text); overflow: hidden; transition: border-color .15s, transform .12s, box-shadow .15s; }
.related-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.related-card .r-thumb { height: 120px; }
.related-card .r-body { padding: 14px 16px; }
.related-card .r-tag { font-size: 11.5px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: .03em; }
.related-card h4 { margin: 6px 0 0; font-size: 15.5px; font-weight: 700; line-height: 1.3; }

/* responsive */
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .layout .aside { position: static; flex-direction: row; flex-wrap: wrap; }
  .layout .aside .toc { flex: 1; min-width: 240px; }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 26px; padding-top: 36px; }
  .coll-grid { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .name-grid { grid-template-columns: repeat(2, 1fr); }
  .res-list { grid-template-columns: 1fr; }
  .nick-list { grid-template-columns: 1fr; }
  .cat-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-inner { grid-template-columns: 1fr; }
  .foot-links { justify-content: flex-start; }
}
@media (max-width: 720px) {
  .nav-burger { display: inline-flex; align-items: center; justify-content: center; line-height: 1; padding: 0; }
  ul.site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px; gap: 2px; margin: 0; }
  ul.site-nav.open { display: flex; }
  ul.site-nav li { display: block; }
  ul.site-nav li a { display: block; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px; gap: 2px; margin: 0; }
  .site-nav.open { display: flex; }
  .head-inner { position: relative; gap: 10px; }
  .brand { min-width: 0; }
  .brand-text { min-width: 0; }
  .brand-text strong { font-size: 16px; line-height: 1.15; }
  .brand-text em { display: none; }
  .brand-mark, .brand-logo { width: 34px; height: 34px; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .gen-fields { grid-template-columns: 1fr; }
  .alpha-row { flex-direction: column; gap: 8px; }
  .alpha-label { flex: 0 0 auto; padding-top: 0; }
}
@media (max-width: 460px) {
  .tool-grid, .name-grid, .cat-grid, .related-grid { grid-template-columns: 1fr; }
  .gen-input { font-size: 20px; padding-right: 110px; }
  .nick-name { font-size: 17px; }
  .vote-btn { padding: 6px 8px; }
}

/* ===========================================================
   Tích hợp WordPress (menu ul/li, phân trang, search, media)
   =========================================================== */
/* Menu chính khi WP xuất ra <ul><li><a> */
ul.site-nav { list-style: none; padding: 0; }
ul.site-nav li { display: inline-flex; }
ul.site-nav .current-menu-item > a,
ul.site-nav .current_page_item > a { color: var(--primary); background: var(--primary-soft); font-weight: 600; }
/* Footer menu */
.foot-links ul.foot-menu { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 16px; }
.foot-links ul.foot-menu a { color: oklch(0.82 0.02 274); text-decoration: none; font-size: 14px; font-weight: 500; }
.foot-links ul.foot-menu a:hover { color: #fff; }

/* Ảnh bìa bài viết */
.post-cover { border-radius: 14px; overflow: hidden; margin: 0 0 24px; border: 1px solid var(--line); }
.post-cover img { display: block; width: 100%; height: auto; }
.prose img { max-width: 100%; height: auto; border-radius: 12px; }

/* Phân trang */
.vkitext-pagination { margin-top: 26px; }
.vkitext-pagination .nav-links { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; }
.vkitext-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px;
  padding: 0 12px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--surface);
  color: var(--text); text-decoration: none; font-weight: 600; font-size: 14px; transition: border-color .15s, background .15s;
}
.vkitext-pagination .page-numbers:hover { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.vkitext-pagination .page-numbers.current { background: var(--primary); border-color: var(--primary); color: #fff; }
.vkitext-pagination .page-numbers.dots { border: none; background: none; }

/* Search form */
.search-form { display: flex; gap: 8px; }
.search-form .search-field {
  flex: 1; font-family: inherit; font-size: 15px; padding: 11px 14px;
  border: 1.5px solid var(--line-2); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); outline: none;
}
.search-form .search-field:focus { border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft); }
.search-form .search-submit {
  font-family: inherit; font-size: 15px; font-weight: 700; padding: 11px 20px; border: none; border-radius: var(--radius-sm);
  cursor: pointer; color: #fff; background: linear-gradient(120deg, var(--primary), var(--primary-2));
}

/* WordPress core align/caption an toàn trong prose */
.prose .alignleft { float: left; margin: 0 20px 14px 0; }
.prose .alignright { float: right; margin: 0 0 14px 20px; }
.prose .aligncenter { display: block; margin: 0 auto 16px; }
.prose figcaption { font-size: 13px; color: var(--muted); text-align: center; margin-top: 6px; }

/* Logo thật (custom logo) thay cho brand-mark chữ */
.brand-logo {
  width: 38px; height: 38px; flex: 0 0 auto;
  border-radius: 11px; display: block; object-fit: cover;
  box-shadow: 0 6px 16px -6px var(--primary);
}
.foot-brand .brand-logo { box-shadow: none; }

/* ===========================================================
   Đóng góp nickname / Đánh giá / Chia sẻ
   =========================================================== */
.vkitext-contribute { padding: 20px 22px; }
.contribute-head { display: flex; gap: 13px; align-items: flex-start; margin-bottom: 14px; }
.contribute-ic { flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: var(--primary-soft); font-size: 22px; }
.contribute-head strong { display: block; font-size: 16px; font-weight: 800; }
.contribute-head em { font-style: normal; display: block; font-size: 13.5px; color: var(--muted); margin-top: 2px; }
.contribute-head b { color: var(--primary); }
.contribute-row { display: flex; gap: 10px; flex-wrap: wrap; }
.vkitext-contribute-input {
  flex: 1; min-width: 200px; font-family: inherit; font-size: 16px; padding: 12px 14px;
  border: 1.5px solid var(--line-2); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); outline: none;
}
.vkitext-contribute-input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px var(--primary-soft); }
.vkitext-contribute-btn { width: auto; margin-top: 0; flex: 0 0 auto; padding: 12px 22px; }
.vkitext-contribute-msg { margin-top: 10px; font-size: 14px; font-weight: 600; min-height: 1px; }
.vkitext-contribute-msg.ok { color: var(--good); }
.vkitext-contribute-msg.err { color: var(--bad); }

.vkitext-feedback { padding: 20px 22px; text-align: center; }
.vkitext-feedback > strong { font-size: 16.5px; font-weight: 800; display: block; margin-bottom: 14px; }
.fb-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.fb-btn {
  font-family: inherit; font-size: 14.5px; font-weight: 700; padding: 11px 20px; border-radius: 99px;
  border: 1.5px solid var(--line-2); background: var(--surface); cursor: pointer; color: var(--text);
  display: inline-flex; align-items: center; gap: 8px; transition: all .15s;
}
.fb-btn .fb-n { font-size: 12.5px; color: var(--muted); background: var(--bg-2); padding: 2px 8px; border-radius: 99px; }
.fb-up:hover, .fb-up.chosen { border-color: var(--good); background: var(--good-soft); color: var(--good); }
.fb-down:hover, .fb-down.chosen { border-color: var(--bad); background: var(--bad-soft); color: var(--bad); }
.vkitext-feedback[data-done] .fb-btn { cursor: default; opacity: .85; }
.fb-bar { height: 8px; border-radius: 99px; background: var(--bad-soft); overflow: hidden; max-width: 320px; margin: 0 auto; }
.fb-bar span { display: block; height: 100%; background: var(--good); }
.fb-bar-label { font-size: 13px; color: var(--muted); margin-top: 8px; }

.vkitext-share { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; }
.share-label { font-size: 14px; font-weight: 700; color: var(--muted); margin-right: 4px; }
.share-btn {
  font-family: inherit; font-size: 13.5px; font-weight: 600; padding: 9px 15px; border-radius: 99px;
  border: 1px solid var(--line-2); background: var(--surface); color: var(--text); text-decoration: none;
  cursor: pointer; transition: all .15s; display: inline-flex; align-items: center; gap: 6px;
}
.share-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.share-fb:hover { border-color: #1877f2; color: #1877f2; }
.share-x:hover { border-color: #111; color: #111; }
.share-tg:hover { border-color: #29a9eb; color: #29a9eb; }
.share-zalo:hover { border-color: #0068ff; color: #0068ff; }
.share-wa:hover { border-color: #25d366; color: #1ba94c; }
.share-pin:hover { border-color: #e60023; color: #e60023; }
.share-copy:hover { border-color: var(--primary); color: var(--primary); }
@media (max-width: 460px) {
  .vkitext-contribute-btn { width: 100%; }
}

/* ===========================================================
   Tác giả / E-E-A-T (byline, hộp tác giả, trang hồ sơ)
   =========================================================== */
.vkitext-byline { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 16px; font-size: 13.5px; color: var(--muted); }
.byline-author { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text); }
.byline-author:hover strong { color: var(--primary); }
.byline-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line); }
.byline-author strong { font-weight: 700; }
.byline-sep { color: var(--line-2); }

.vkitext-author-box { display: flex; gap: 16px; align-items: flex-start; padding: 20px 22px; margin-top: 26px; }
.author-box-avatar { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; border: 1px solid var(--line); }
.author-box-kicker { font-size: 12px; font-weight: 700; letter-spacing: .04em; color: var(--primary); text-transform: uppercase; }
.author-box-name { display: inline-block; font-size: 18px; font-weight: 800; color: var(--text); text-decoration: none; margin: 3px 0 6px; }
.author-box-name:hover { color: var(--primary); }
.author-box-bio { margin: 0 0 10px; font-size: 14.5px; color: var(--muted); line-height: 1.6; }
.author-box-links { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13.5px; }
.author-box-links a { color: var(--primary); text-decoration: none; font-weight: 600; }
.author-box-links a:hover { text-decoration: underline; }

.author-hero { display: flex; gap: 20px; align-items: center; }
.author-hero-avatar { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; border: 2px solid var(--surface); box-shadow: var(--shadow); }
.author-hero-body { min-width: 0; }
.author-hero-links { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 14px; }
@media (max-width: 600px) {
  .author-hero { flex-direction: column; align-items: flex-start; gap: 14px; }
  .vkitext-author-box { flex-direction: column; }
}

/* ===========================================================
   Nút "Thử" / FAB back-to-top + badge / Trang lịch sử
   =========================================================== */
.nick-try {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 5px; cursor: pointer;
  font-family: inherit; font-size: 12.5px; font-weight: 700; padding: 6px 11px; border-radius: 9px;
  border: 1px solid var(--primary); background: var(--primary-soft); color: var(--primary); transition: all .14s;
}
.nick-try:hover { background: var(--primary); color: #fff; }
.nick-try .try-ic { font-size: 13px; }
@media (max-width: 560px) { .nick-try .try-tx { display: none; } .nick-try { padding: 6px 9px; } }

/* FAB góc dưới phải */
.vkitext-fabs { position: fixed; right: 18px; bottom: 18px; z-index: 90; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.vkitext-copied-badge {
  display: none; align-items: center; gap: 6px; text-decoration: none;
  background: var(--surface); color: var(--primary); border: 1px solid var(--primary);
  padding: 8px 13px; border-radius: 99px; font-weight: 800; font-size: 13.5px; box-shadow: var(--shadow-lg);
  transition: transform .14s;
}
.vkitext-copied-badge:hover { transform: translateY(-2px); }
.vkitext-copied-badge .vcb-ic { font-size: 15px; }
.vkitext-copied-badge .vcb-n { background: var(--primary); color: #fff; border-radius: 99px; min-width: 20px; text-align: center; padding: 1px 6px; font-size: 12px; }
.vkitext-totop {
  width: 46px; height: 46px; border-radius: 50%; border: none; cursor: pointer; color: #fff; font-size: 22px; line-height: 1;
  background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .2s, transform .2s;
}
.vkitext-totop.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.vkitext-totop:hover { transform: translateY(-2px) scale(1.04); }
@media (max-width: 460px) { .vkitext-fabs { right: 12px; bottom: 12px; } }

/* Trang lịch sử đã sao chép */
.vh-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.vh-count { font-size: 14px; color: var(--muted); margin-right: auto; }
.vh-count b { color: var(--text); font-size: 18px; }
.vh-clear { margin: 0; }
.vh-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.vh-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; }
.vh-name { flex: 1; min-width: 0; font-size: 19px; cursor: pointer; overflow-wrap: anywhere; word-break: break-word; }
.vh-meta { flex: 0 0 auto; display: flex; flex-direction: column; align-items: flex-end; gap: 2px; font-size: 11.5px; color: var(--faint); }
.vh-src { color: var(--primary); text-decoration: none; font-weight: 600; }
.vh-date { white-space: nowrap; }
.vh-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 6px; }
.vh-actions .nick-copy,
.vh-del {
  width: 34px; height: 34px; flex: 0 0 auto; padding: 0; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9px; cursor: pointer;
}
.vh-del { border: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 14px; }
.vh-del:hover { border-color: var(--bad); color: var(--bad); background: var(--bad-soft); }
@media (max-width: 760px) { .vh-list { grid-template-columns: 1fr; } }

/* Badge lượt sao chép trong danh sách "được sao chép nhiều nhất" */
.nick-copies { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 4px; font-size: 12.5px; font-weight: 700;
  color: var(--primary); background: var(--primary-soft); padding: 5px 10px; border-radius: 99px; white-space: nowrap; }
.nick-copies.pop { color: var(--good); background: var(--good-soft); }
@media (max-width: 560px) { .nick-copies { font-size: 11.5px; padding: 4px 8px; } }

/* ===========================================================
   Công cụ ký tự khoảng trống
   =========================================================== */
.blank-tool { display: grid; grid-template-columns: 1fr; gap: 16px; }
.blank-card { padding: 20px 22px; }
.blank-card-head { display: flex; gap: 13px; align-items: flex-start; margin-bottom: 14px; }
.blank-ic { flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: var(--primary-soft); font-size: 22px; }
.blank-card-head strong { display: block; font-size: 16px; font-weight: 800; }
.blank-card-head em { font-style: normal; display: block; font-size: 13.5px; color: var(--muted); margin-top: 2px; }
.blank-quick { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.blank-qbtn {
  font-family: inherit; font-size: 14px; font-weight: 700; padding: 9px 15px; border-radius: 10px; cursor: pointer;
  border: 1.5px solid var(--line-2); background: var(--bg); color: var(--text); transition: all .14s;
}
.blank-qbtn:hover { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); transform: translateY(-1px); }
.blank-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.blank-chip {
  font-family: inherit; cursor: pointer; display: inline-flex; align-items: center; gap: 9px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 11px; padding: 8px 12px 8px 8px; transition: all .14s;
}
.blank-chip:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-1px); }
.bc-box {
  min-width: 30px; height: 28px; display: inline-block; border: 1.5px dashed var(--line-2);
  border-radius: 7px; background: repeating-linear-gradient(45deg, transparent 0 5px, var(--bg-2) 5px 6px);
}
.bc-label { font-size: 12.5px; font-weight: 600; color: var(--muted); white-space: nowrap; }
.blank-chip:hover .bc-label { color: var(--primary); }

/* ===========================================================
   Công cụ chữ màu Free Fire (bảng màu)
   =========================================================== */
.colorff-card { padding: 20px 22px; margin-bottom: 16px; }
.cff-input {
  width: 100%; font-family: inherit; font-size: 22px; font-weight: 700; padding: 14px 16px; margin-bottom: 12px;
  border: 2px solid var(--line-2); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); outline: none;
}
.cff-input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px var(--primary-soft); }
.cff-format { display: flex; gap: 8px; margin-bottom: 12px; }
.cff-fmt { font-family: inherit; font-size: 14px; font-weight: 700; padding: 8px 14px; border-radius: 10px; cursor: pointer;
  border: 1.5px solid var(--line-2); background: var(--surface); color: var(--text); transition: all .14s; }
.cff-fmt.on, .cff-fmt:hover { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.cff-palette { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.cff-sw { width: 38px; height: 38px; border-radius: 9px; border: 2px solid var(--line); cursor: pointer; padding: 0; transition: transform .12s, box-shadow .12s; }
.cff-sw:hover { transform: scale(1.08); }
.cff-sw.on { border-color: var(--text); box-shadow: 0 0 0 3px var(--primary-soft); transform: scale(1.08); }
.cff-preview {
  min-height: 64px; display: flex; align-items: center; justify-content: center; text-align: center;
  font-size: 30px; font-weight: 700; padding: 12px; border-radius: var(--radius-sm);
  background: #1b1b22; border: 1px solid var(--line); margin-bottom: 12px; word-break: break-word; overflow-wrap: anywhere;
}
.cff-result { display: flex; gap: 10px; align-items: stretch; flex-wrap: wrap; }
.cff-code { flex: 1; min-width: 200px; font-family: "Space Grotesk", monospace; font-size: 16px; padding: 12px 14px;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--text); word-break: break-all; }
.cff-copy { width: auto; height: auto; padding: 12px 20px; font-family: inherit; font-size: 14px; font-weight: 700;
  border-radius: var(--radius-sm); border: none; background: linear-gradient(120deg, var(--primary), var(--primary-2)); color: #fff; }
.cff-copy:hover { background: var(--primary-2); }
.cff-table { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.cff-cell { display: flex; align-items: center; gap: 10px; cursor: pointer; text-align: left;
  background: var(--surface); border: 1px solid var(--line); border-radius: 11px; padding: 8px 10px; transition: all .14s; font-family: inherit; }
.cff-cell:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-1px); }
.cff-dot { width: 30px; height: 30px; border-radius: 8px; flex: 0 0 auto; border: 1px solid var(--line-2); }
.cff-meta { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.cff-name { font-size: 13px; font-weight: 700; color: var(--text); }
.cff-hex { font-size: 12px; font-family: "Space Grotesk", monospace; color: var(--muted); }
@media (max-width: 760px) { .cff-table { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .cff-copy { width: 100%; } }

/* ===========================================================
   Công cụ bỏ dấu tiếng Việt
   =========================================================== */
.ua-card { padding: 20px 22px; }
.ua-label { display: block; font-size: 13px; font-weight: 700; color: var(--muted); margin: 0 0 6px; }
.ua-in, .ua-out {
  width: 100%; font-family: inherit; font-size: 17px; line-height: 1.6; padding: 12px 14px;
  border: 1.5px solid var(--line-2); border-radius: var(--radius-sm); background: var(--bg); color: var(--text);
  outline: none; resize: vertical; margin-bottom: 14px;
}
.ua-in:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px var(--primary-soft); }
.ua-out { background: var(--bg-2); font-weight: 600; }
.ua-modes { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.ua-mode {
  font-family: inherit; font-size: 13.5px; font-weight: 700; padding: 8px 14px; border-radius: 99px; cursor: pointer;
  border: 1.5px solid var(--line-2); background: var(--surface); color: var(--text); transition: all .14s;
}
.ua-mode.on, .ua-mode:hover { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.ua-copy { width: 100%; margin: 0; }

/* ===========================================================
   Công cụ đếm ký tự
   =========================================================== */
.cnt-card { padding: 20px 22px; }
.cnt-in {
  width: 100%; font-family: inherit; font-size: 16.5px; line-height: 1.6; padding: 14px 16px;
  border: 1.5px solid var(--line-2); border-radius: var(--radius-sm); background: var(--bg); color: var(--text);
  outline: none; resize: vertical; margin-bottom: 16px;
}
.cnt-in:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px var(--primary-soft); }
.cnt-stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.cnt-stat { text-align: center; padding: 14px 8px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); }
.cnt-n { font-family: "Space Grotesk", monospace; font-size: 26px; font-weight: 700; color: var(--primary); line-height: 1; letter-spacing: -0.02em; }
.cnt-l { font-size: 12px; color: var(--muted); margin-top: 6px; font-weight: 600; }
@media (max-width: 760px) { .cnt-stats { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 420px) { .cnt-stats { grid-template-columns: repeat(2, 1fr); } }