/* =========================================================================
   JsonLab — styles.css
   Rose accent within the EuKosmos visual family.
   ========================================================================= */

:root{
  --bg:        #0a0d14;
  --bg-grid:   rgba(244, 63, 94, 0.04);
  --surface:   #11151f;
  --surface2:  #161b27;
  --surface3:  #1d2331;
  --surface4:  #232a3b;
  --border:    rgba(255,255,255,.07);
  --border-strong: rgba(255,255,255,.13);
  --ink:       #f1f5f9;
  --soft:      #cbd5e1;
  --mute:      #8b94a7;
  --muted:     #64748b;

  /* Accent — rose */
  --accent:    #f43f5e;
  --accent-2:  #fb7185;
  --accent-3:  #e11d48;
  --accent-tint: rgba(244, 63, 94, .14);

  --ok:        #10b981;
  --warn:      #f59e0b;
  --bad:       #f87171;
  --info:      #38bdf8;

  /* JSON value syntax colours */
  --tok-key:    #fb7185;
  --tok-string: #facc15;
  --tok-number: #38bdf8;
  --tok-bool:   #c084fc;
  --tok-null:   #94a3b8;
  --tok-bracket: #94a3b8;
  --tok-meta:   #64748b;

  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, Monaco, Consolas, "DejaVu Sans Mono", monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{font-size:15.5px;}
body{
  background:
    radial-gradient(1100px 600px at 80% -10%, rgba(244, 63, 94, .08), transparent 70%),
    radial-gradient(900px 500px at -10% 100%, rgba(244, 63, 94, .05), transparent 70%),
    linear-gradient(var(--bg-grid) 1px, transparent 1px) 0 0/28px 28px,
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px) 0 0/28px 28px,
    var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
button{font-family:inherit;color:inherit;}
input,textarea,select{font-family:inherit;color:inherit;}
a{color:var(--accent-2);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{margin:0;}
.muted{color:var(--mute);}
.small{font-size:12.5px;}
code{font-family:var(--mono);font-size:.9em;}

/* ---------- masthead ----------------------------------------------------- */
.masthead{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;
  border-bottom:1px solid var(--border);
  background:rgba(10,13,20,.7);
  backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:50;
}
.masthead__brand{display:flex;align-items:center;color:var(--ink);}
.masthead__logo{font-weight:800;letter-spacing:.06em;font-size:15px;}
.masthead__logo-accent{color:var(--accent);}
.masthead__logo-bracket{color:var(--mute);font-weight:600;margin:0 2px;}
.masthead__nav{display:flex;gap:18px;align-items:center;font-size:13px;}
.masthead__nav a{color:var(--soft);}
.masthead__nav a:hover{color:var(--accent-2);text-decoration:none;}

/* ---------- container ---------------------------------------------------- */
.container{max-width:1320px;margin:0 auto;padding:32px 28px 60px;}
.hero{margin-bottom:22px;}
.hero__title{
  font-size:34px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(135deg, var(--ink) 0%, var(--accent-2) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:inline-block;
}
.hero__sub{margin:8px 0 0;color:var(--mute);max-width:820px;}

/* ---------- tab strip ---------------------------------------------------- */
.tab-strip{
  display:flex;gap:2px;
  margin-bottom:18px;
  border-bottom:1px solid var(--border);
  overflow-x:auto;
}
.tab{
  padding:11px 20px;
  background:transparent;border:0;border-bottom:2px solid transparent;
  color:var(--mute);font-size:14px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:color .12s, border-color .12s, background .12s;
}
.tab:hover{color:var(--ink);background:rgba(255,255,255,.02);}
.tab.is-active{
  color:var(--accent-2);border-bottom-color:var(--accent);
  background:rgba(244, 63, 94, .04);
}

.tab-panel{display:flex;flex-direction:column;gap:14px;}

/* ---------- action bar --------------------------------------------------- */
.action-bar{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:11px 12px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r);
  flex-wrap:wrap;
}
.action-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.action-group--right{margin-left:auto;}
.hint{font-size:12px;color:var(--mute);}
.hint code{color:var(--soft);background:var(--surface3);padding:1px 5px;border-radius:3px;font-size:11px;}
.hint--note{font-size:12.5px;color:var(--mute);padding:8px 12px;margin:0;}

.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;
  background:var(--surface3);
  color:var(--soft);
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  font-size:13px;font-weight:500;
  cursor:pointer;
  transition:background .12s, border-color .12s, color .12s;
}
.btn:hover{background:var(--surface4);color:var(--ink);border-color:var(--border-strong);}
.btn:active{transform:translateY(1px);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn--primary{
  background:var(--accent);color:#0a0d14;border-color:var(--accent);font-weight:600;
}
.btn--primary:hover{background:var(--accent-2);border-color:var(--accent-2);color:#0a0d14;}
.btn--ghost{background:transparent;}
.btn--ghost:hover{background:var(--surface3);}
.btn--danger-soft:hover{color:var(--bad);border-color:rgba(248,113,113,.3);}

.select-group label{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:var(--mute);
}
.select-group select,
.action-bar select{
  background:var(--surface3);
  color:var(--ink);
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  padding:6px 10px;
  font-size:13px;
  cursor:pointer;
}

.radio{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;
  font-size:13px;color:var(--soft);
  cursor:pointer;user-select:none;
}
.radio input{accent-color:var(--accent);margin:0;}
.radio code{color:var(--accent-2);font-size:11px;}

/* ---------- io grid (two-column layout used by most tabs) ----------------- */
.io-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
@media (max-width: 900px){.io-grid{grid-template-columns:1fr;}}
.io-pane{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r);
  overflow:hidden;
}
.io-head{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:8px 12px;
  background:var(--surface2);
  border-bottom:1px solid var(--border);
  font-size:12.5px;font-weight:600;color:var(--soft);
}
.io-meta{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--mute);font-weight:500;}
.io-meta-sep{color:var(--muted);}
.io-meta-status{font-weight:600;}
.io-meta-status--ok{color:var(--ok);}
.io-meta-status--err{color:var(--bad);}

.io-pane textarea,
.io-output-text{
  width:100%;flex:1;
  min-height:340px;
  padding:14px 16px;
  background:transparent;color:var(--ink);
  border:0;outline:0;resize:vertical;
  font-family:var(--mono);font-size:13px;line-height:1.55;
}
.io-pane textarea::placeholder{color:var(--muted);}

.io-error{
  padding:9px 12px;
  background:rgba(248, 113, 113, .08);
  border-top:1px solid rgba(248, 113, 113, .25);
  color:var(--bad);
  font-size:12.5px;font-family:var(--mono);
}
.io-error strong{font-weight:600;color:var(--bad);}
.io-error--inline{
  border-radius:var(--r-sm);border:1px solid rgba(248,113,113,.25);
  margin:0;
}

/* ---------- subtabs (sub-views inside the JSON output pane) -------------- */
.io-head--tabs{padding:6px 6px 6px 12px;}
.subtabs{display:flex;gap:2px;}
.subtab{
  padding:5px 12px;
  background:transparent;border:0;
  color:var(--mute);font-size:12px;font-weight:500;
  border-radius:var(--r-sm);
  cursor:pointer;
}
.subtab:hover{background:var(--surface3);color:var(--soft);}
.subtab.is-active{
  background:var(--surface3);
  color:var(--accent-2);
}
.io-actions{display:flex;gap:4px;}
.icon-btn{
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 10px;
  background:transparent;border:1px solid transparent;
  color:var(--mute);font-size:12px;
  border-radius:var(--r-sm);
  cursor:pointer;
}
.icon-btn:hover{background:var(--surface3);color:var(--ink);border-color:var(--border);}
.icon-btn--inline{border:1px solid var(--border);background:var(--surface3);padding:4px 9px;}

.io-output{position:relative;display:flex;flex-direction:column;flex:1;min-height:340px;}
.io-output > *{flex:1;min-height:340px;}
.io-output-text--readonly{
  margin:0;padding:14px 16px;
  font-family:var(--mono);font-size:13px;line-height:1.55;
  color:var(--ink);
  overflow:auto;white-space:pre-wrap;word-break:break-word;
}
.io-output-tree{
  padding:14px 16px;
  font-family:var(--mono);font-size:13px;line-height:1.55;
  overflow:auto;
}
.io-foot{
  padding:6px 12px;background:var(--surface2);border-top:1px solid var(--border);
  font-size:11.5px;color:var(--mute);min-height:26px;
}
.io-path{font-family:var(--mono);color:var(--accent-2);transition:opacity .2s;}
.io-path.is-flash{opacity:.4;}

/* ---------- JSON tree view ---------------------------------------------- */
.jv-node{margin:0;}
.jv-node > .jv-summary{
  cursor:pointer;list-style:none;
  padding:1px 0 1px 14px;
  position:relative;
}
.jv-node > .jv-summary::-webkit-details-marker{display:none;}
.jv-node > .jv-summary::marker{display:none;content:'';}
.jv-node > .jv-summary::before{
  content:"▸";
  position:absolute;left:0;top:2px;
  color:var(--mute);
  font-size:9px;
  transition:transform .12s;
}
.jv-node[open] > .jv-summary::before{transform:rotate(90deg);}
.jv-node:hover > .jv-summary{background:rgba(244,63,94,.04);border-radius:3px;}
.jv-children{
  padding-left:16px;border-left:1px solid var(--border);margin-left:5px;
}
.jv-bracket--close{
  padding-left:14px;color:var(--tok-bracket);font-weight:500;
}
.jv-leaf{
  padding:1px 0 1px 14px;
}
.jv-leaf:hover{background:rgba(244,63,94,.04);border-radius:3px;}
.jv-key{color:var(--tok-key);}
.jv-key::before{content:'"';color:var(--tok-key);}
.jv-key::after{content:'"';color:var(--tok-key);}
.jv-colon{color:var(--mute);margin:0 6px 0 1px;}
.jv-bracket{color:var(--tok-bracket);}
.jv-meta{color:var(--tok-meta);font-style:italic;margin-left:4px;font-size:11px;}
.jv-value--string{color:var(--tok-string);}
.jv-value--number{color:var(--tok-number);}
.jv-value--boolean{color:var(--tok-bool);font-style:italic;}
.jv-value--null{color:var(--tok-null);font-style:italic;}

/* ---------- stats strip (JSON tab) -------------------------------------- */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(120px, 1fr));
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--r);
  overflow:hidden;
}
.stats-strip .stat{
  display:flex;flex-direction:column;gap:3px;
  padding:10px 14px;
  background:var(--surface);
}
.stat__label{font-size:10.5px;color:var(--mute);text-transform:uppercase;letter-spacing:.05em;font-weight:600;}
.stat__value{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:18px;font-weight:700;color:var(--ink);
}

/* ---------- diff tab ----------------------------------------------------- */
.diff-summary{
  display:flex;gap:10px;align-items:center;
  padding:11px 16px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r);flex-wrap:wrap;
}
.diff-summary__pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;
  border-radius:99px;
  font-size:12px;font-weight:500;
  background:var(--surface3);color:var(--soft);
}
.diff-summary__pill--added{color:var(--ok);background:rgba(16,185,129,.1);}
.diff-summary__pill--removed{color:var(--bad);background:rgba(248,113,113,.1);}
.diff-summary__pill--changed{color:var(--warn);background:rgba(245,158,11,.1);}
.diff-summary__num{font-family:var(--mono);font-weight:700;}
.diff-summary__total{margin-left:auto;color:var(--mute);font-size:12.5px;}
.diff-summary__total #diffTotalN{color:var(--ink);font-weight:600;font-family:var(--mono);}

.diff-result{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r);
  overflow:hidden;
}
.diff-empty{padding:24px;text-align:center;color:var(--mute);font-style:italic;}
.diff-list{display:flex;flex-direction:column;}
.diff-entry{
  display:flex;flex-direction:column;gap:8px;
  padding:14px 18px;
  border-top:1px solid var(--border);
  border-left:3px solid transparent;
}
.diff-entry:first-child{border-top:0;}
.diff-entry--added{border-left-color:var(--ok);background:rgba(16,185,129,.03);}
.diff-entry--removed{border-left-color:var(--bad);background:rgba(248,113,113,.03);}
.diff-entry--changed{border-left-color:var(--warn);background:rgba(245,158,11,.03);}
.diff-entry__head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.diff-entry__op{
  font-family:var(--mono);font-size:11px;font-weight:700;
  text-transform:uppercase;letter-spacing:.04em;
  padding:2px 8px;border-radius:3px;
}
.diff-entry--added .diff-entry__op{color:var(--ok);background:rgba(16,185,129,.12);}
.diff-entry--removed .diff-entry__op{color:var(--bad);background:rgba(248,113,113,.12);}
.diff-entry--changed .diff-entry__op{color:var(--warn);background:rgba(245,158,11,.12);}
.diff-entry__path{
  font-family:var(--mono);font-size:12.5px;color:var(--accent-2);
  background:transparent;
}
.diff-entry__values{
  display:flex;align-items:flex-start;gap:14px;
}
.diff-entry__side{
  flex:1;min-width:0;
  display:flex;flex-direction:column;gap:4px;
}
.diff-entry__side-label{
  font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--mute);font-weight:600;
}
.diff-entry__value pre{
  margin:0;padding:8px 10px;
  background:var(--surface2);border:1px solid var(--border);
  border-radius:var(--r-sm);
  font-family:var(--mono);font-size:12px;line-height:1.5;
  overflow:auto;max-height:200px;
  color:var(--ink);
  white-space:pre-wrap;word-break:break-word;
}
.diff-entry__arrow{
  color:var(--mute);font-family:var(--mono);font-size:18px;align-self:center;padding-top:18px;
}
.diff-empty-val{color:var(--muted);font-style:italic;}

/* ---------- URL parts table --------------------------------------------- */
.url-parts{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
@media (max-width: 800px){.url-parts{grid-template-columns:1fr;}}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r);
  overflow:hidden;
}
.card__head{padding:10px 14px;background:var(--surface2);border-bottom:1px solid var(--border);}
.card__head h3{font-size:12px;font-weight:600;color:var(--mute);letter-spacing:.04em;text-transform:uppercase;}
.kv-table{width:100%;border-collapse:collapse;font-size:13px;}
.kv-table td{padding:7px 14px;border-bottom:1px solid rgba(255,255,255,.04);}
.kv-table tr:last-child td{border-bottom:0;}
.kv-key{color:var(--mute);width:30%;font-size:12px;}
.kv-val code{font-family:var(--mono);color:var(--ink);font-size:12.5px;word-break:break-all;}
.kv-table--params .kv-key code{color:var(--accent-2);}

/* ---------- regex tab ---------------------------------------------------- */
.action-bar--regex{flex-direction:column;align-items:stretch;gap:10px;}
.rx-pattern-wrap{
  display:flex;align-items:center;gap:0;
  background:var(--surface3);
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  padding:0 10px;
}
.rx-slash{color:var(--accent);font-family:var(--mono);font-size:16px;font-weight:600;user-select:none;}
.rx-pattern{
  flex:1;
  background:transparent;color:var(--ink);border:0;outline:0;
  font-family:var(--mono);font-size:14px;line-height:1.5;
  padding:9px 8px;
}
.rx-flags{
  background:transparent;color:var(--accent-2);border:0;outline:0;
  font-family:var(--mono);font-size:14px;
  padding:9px 4px;width:60px;text-align:left;
  border-left:1px solid var(--border);margin-left:4px;
}
.rx-flag-toggles{
  display:flex;flex-wrap:wrap;gap:6px;
}
.rx-flag{
  display:inline-flex;align-items:center;gap:4px;
  padding:5px 11px;
  background:var(--surface2);
  border:1px solid var(--border);
  border-radius:99px;
  font-family:var(--mono);font-size:12px;font-weight:600;color:var(--mute);
  cursor:pointer;user-select:none;
  transition:background .12s, border-color .12s, color .12s;
}
.rx-flag:hover{background:var(--surface3);}
.rx-flag input{accent-color:var(--accent);margin:0;}
.rx-flag:has(input:checked){
  color:var(--accent-2);border-color:var(--accent);
  background:rgba(244,63,94,.08);
}
.rx-flag__hint{color:var(--mute);font-weight:400;font-family:var(--sans);font-size:11px;margin-left:1px;}
.rx-flag:has(input:checked) .rx-flag__hint{color:var(--soft);}

.select-presets{
  background:var(--surface3);color:var(--soft);
  border:1px solid var(--border);border-radius:var(--r-sm);
  padding:6px 10px;font-size:12.5px;cursor:pointer;
}

.rx-test-pane,
.rx-replace-pane,
.rx-matches-pane{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r);
  overflow:hidden;
}
.rx-test-grid{
  display:grid;grid-template-columns:1fr 1fr;
}
@media (max-width: 900px){.rx-test-grid{grid-template-columns:1fr;}}
.rx-test-grid textarea{
  border:0;background:transparent;color:var(--ink);outline:0;
  padding:14px 16px;font-family:var(--mono);font-size:13px;line-height:1.55;
  min-height:240px;resize:vertical;border-right:1px solid var(--border);
}
@media (max-width: 900px){.rx-test-grid textarea{border-right:0;border-bottom:1px solid var(--border);}}
.rx-test-output{
  padding:14px 16px;
  font-family:var(--mono);font-size:13px;line-height:1.55;
  white-space:pre-wrap;word-break:break-word;
  color:var(--ink);overflow:auto;min-height:240px;
}
.rx-match{
  background:rgba(244,63,94,.32);
  color:var(--ink);
  border-radius:2px;padding:0 2px;
}

.rx-replace-grid{
  display:grid;grid-template-columns:1fr;gap:0;
}
.rx-replace-input{
  background:transparent;color:var(--accent-2);
  border:0;border-bottom:1px solid var(--border);outline:0;
  padding:12px 16px;font-family:var(--mono);font-size:13px;
}
.rx-replace-output{
  background:transparent;color:var(--ink);
  border:0;outline:0;
  padding:14px 16px;font-family:var(--mono);font-size:13px;line-height:1.55;
  min-height:140px;resize:vertical;
}

.rx-match-list{
  padding:8px 0;display:flex;flex-direction:column;
}
.rx-match-entry{
  padding:10px 16px;border-bottom:1px solid var(--border);
}
.rx-match-entry:last-child{border-bottom:0;}
.rx-match-entry__head{display:flex;align-items:center;gap:10px;}
.rx-match-entry__idx{
  font-family:var(--mono);font-size:11px;color:var(--mute);
  padding:2px 6px;background:var(--surface3);border-radius:3px;font-weight:600;
}
.rx-match-entry__text{
  font-family:var(--mono);font-size:13px;color:var(--accent-2);
  background:rgba(244,63,94,.10);padding:2px 6px;border-radius:3px;
}
.rx-match-entry__pos{font-size:11px;color:var(--mute);margin-left:auto;font-family:var(--mono);}
.rx-groups{display:flex;flex-direction:column;gap:4px;margin-top:8px;padding-left:8px;}
.rx-group{display:flex;align-items:baseline;gap:10px;font-size:12px;}
.rx-group__label{
  font-family:var(--mono);font-size:11px;color:var(--mute);min-width:30px;font-weight:600;
}
.rx-group__value{font-family:var(--mono);font-size:12px;color:var(--ink);}

/* ---------- EuKosmos card ------------------------------------------------ */
.panel{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:24px 28px;
}
.panel--rose{
  border:1px solid rgba(244,63,94,.3);
  background:
    radial-gradient(800px 360px at 100% -20%, rgba(244,63,94,.10), transparent 70%),
    var(--surface);
}
.euk-card__head{margin-bottom:20px;}
.euk-card__title{font-size:20px;font-weight:700;}
.euk-card__brand{
  background:linear-gradient(135deg, var(--accent-2), var(--accent-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.euk-card__sub{color:var(--mute);margin:6px 0 0;font-size:13.5px;}
.euk-card__grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(180px, 1fr));
  gap:10px;
}
.euk-tile{
  display:flex;flex-direction:column;gap:4px;
  padding:14px 16px;
  background:rgba(255,255,255,.025);
  border:1px solid var(--border);
  border-radius:var(--r);
  color:var(--ink);
  transition:background .12s, border-color .12s, transform .12s;
}
.euk-tile:hover{
  background:rgba(255,255,255,.05);
  border-color:rgba(244,63,94,.4);
  transform:translateY(-1px);
  text-decoration:none;
}
.euk-tile__name{font-size:14px;font-weight:700;color:var(--accent-2);letter-spacing:-.01em;}
.euk-tile__desc{font-size:12.5px;color:var(--mute);}

/* ---------- footer ------------------------------------------------------- */
.footer{
  padding:24px 28px 36px;
  font-size:12px;color:var(--mute);text-align:center;
  border-top:1px solid var(--border);
  margin-top:40px;
}
.footer__row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;}
.footer__sep{color:var(--muted);}
.footer a{color:var(--soft);}
.footer a:hover{color:var(--accent-2);}

/* ---------- dialogs ------------------------------------------------------ */
.dialog{
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  background:var(--surface);
  color:var(--ink);
  width:min(560px, 92vw);
  padding:0;
}
.dialog::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(2px);}
.dialog__head{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:14px 20px;border-bottom:1px solid var(--border);
}
.dialog__head h3{font-size:14px;font-weight:600;}
.dialog__close{
  background:transparent;border:0;color:var(--mute);
  font-size:18px;width:32px;height:32px;border-radius:var(--r-sm);cursor:pointer;
}
.dialog__close:hover{background:var(--surface3);color:var(--ink);}
.sample-list{display:grid;gap:10px;padding:16px 20px 20px;}
.sample-card{
  display:flex;flex-direction:column;align-items:flex-start;gap:4px;
  padding:12px 14px;
  background:var(--surface2);border:1px solid var(--border);
  border-radius:var(--r);
  text-align:left;cursor:pointer;
  transition:background .12s, border-color .12s;
}
.sample-card:hover{background:var(--surface3);border-color:var(--accent);}
.sample-card__label{font-size:13px;font-weight:600;color:var(--ink);}
.sample-card__preview{font-size:12px;color:var(--mute);line-height:1.45;font-family:var(--mono);}

/* ---------- toast -------------------------------------------------------- */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);
  background:var(--surface3);
  color:var(--ink);
  padding:10px 18px;border-radius:99px;
  border:1px solid var(--border-strong);
  font-size:13px;font-weight:500;
  opacity:0;pointer-events:none;
  transition:opacity .18s, transform .18s;
  z-index:1000;
  box-shadow:0 8px 28px rgba(0,0,0,.4);
}
.toast.is-visible{opacity:1;transform:translateX(-50%) translateY(0);}