/* SBGeeks Tools — tool page design system.
   Built on the tokens in /assets/css/sbg.css. Every class starts with tk-. */

/* ── Hero ─────────────────────────────────────────────────────────────── */
.tk-hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:clamp(1.75rem,4vw,2.75rem) 0 clamp(4.5rem,8vw,6rem)}
.tk-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(640px 320px at 88% -10%,rgba(11,138,214,.45),transparent 65%),radial-gradient(520px 300px at -5% 120%,rgba(29,20,184,.7),transparent 60%);pointer-events:none}
.tk-hero>.sb-wrap{position:relative}
.tk-hero h1{font:800 clamp(1.75rem,4.2vw,2.75rem)/1.1 var(--display);letter-spacing:-.025em;color:#fff;margin-top:1rem;max-width:22ch;text-wrap:balance}
.tk-hero p.tk-lead{margin-top:.8rem;max-width:62ch;color:rgba(255,255,255,.8);font-size:clamp(.98rem,1.4vw,1.1rem);line-height:1.65}
.tk-chips{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.25rem;padding:0}
.tk-chips li{display:inline-flex;align-items:center;gap:.4rem;font:600 .78rem/1 var(--font);color:#fff;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:var(--pill);padding:.45rem .75rem}
.tk-chips svg{color:#4ade80;flex-shrink:0}

/* ── Workbench ────────────────────────────────────────────────────────── */
.tk-app{margin-top:clamp(-3.5rem,-6vw,-2.5rem);position:relative;z-index:2;padding-bottom:clamp(2.5rem,5vw,4rem)}
.tk-bench{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-3);padding:clamp(1rem,2.5vw,1.75rem)}
.tk-bench[hidden],.tk-app [hidden]{display:none!important}

.tk-drop{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;text-align:center;min-height:240px;padding:2rem 1.25rem;border:2px dashed #c9cde0;border-radius:var(--r-lg);background:var(--bg-soft);cursor:pointer;transition:border-color .15s,background .15s}
.tk-drop:hover,.tk-drop.is-drag,.tk-drop:focus-within{border-color:var(--brand);background:var(--brand-50)}
.tk-drop input[type=file]{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.tk-drop-ico{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;background:#fff;color:var(--brand);box-shadow:var(--sh-2);margin-bottom:.4rem}
.tk-drop b{font:800 1.1rem/1.3 var(--display);color:var(--ink)}
.tk-drop small{font-size:.85rem;color:var(--muted);line-height:1.5;max-width:46ch}
.tk-drop .tk-btn{margin-top:.6rem;pointer-events:none}
.tk-drop-note{display:flex;align-items:center;justify-content:center;gap:.4rem;margin-top:.9rem;font-size:.8rem;color:var(--muted);text-align:center}
.tk-drop-note svg{color:var(--ok);flex-shrink:0}
.tk-kbd{font:600 .75rem/1 var(--font);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:.15rem .35rem;background:#fff;color:var(--ink-2)}

.tk-grid{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:clamp(1rem,2.5vw,1.75rem);align-items:start}
.tk-grid--wide{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.tk-grid--media{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
.tk-grid--narrow{grid-template-columns:minmax(0,300px) minmax(0,1fr)}
.tk-side{display:grid;gap:1.1rem;min-width:0}
.tk-main{display:grid;gap:1rem;min-width:0}
.tk-panel{border:1px solid var(--line);border-radius:var(--r-lg);padding:1.1rem;background:#fff;min-width:0}
.tk-panel>h2,.tk-h{font:800 .95rem/1.3 var(--display);color:var(--ink);margin:0 0 .85rem;display:flex;align-items:center;justify-content:space-between;gap:.6rem}
.tk-h small{font:600 .78rem/1 var(--font);color:var(--muted)}

/* Fields */
.tk-field{display:grid;gap:.4rem;min-width:0}
.tk-field+.tk-field{margin-top:.9rem}
.tk-row>.tk-field{margin-top:0}
.tk-row>.tk-check{align-self:end;min-height:44px}
.tk-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}
.tk-row+.tk-field,.tk-field+.tk-row,.tk-row+.tk-row{margin-top:.9rem}
.tk-label{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem;font:700 .82rem/1.3 var(--font);color:var(--ink-2)}
.tk-label output{font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.tk-hint{font-size:.78rem;color:var(--muted);line-height:1.5}
.tk-input,.tk-select,.tk-text{width:100%;min-height:44px;border:1.5px solid var(--line);border-radius:10px;padding:.6rem .8rem;font:500 .95rem/1.3 var(--font);color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
.tk-text{min-height:160px;resize:vertical;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem}
.tk-input:focus,.tk-select:focus,.tk-text:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(29,20,184,.12)}
.tk-input[type=color]{padding:.25rem;height:44px;cursor:pointer}
.tk-input:not(:placeholder-shown):invalid{border-color:var(--err)}
.tk-range{width:100%;height:32px;accent-color:var(--brand);cursor:pointer}
.tk-check{display:flex;align-items:center;gap:.55rem;font:600 .875rem/1.3 var(--font);color:var(--ink-2);cursor:pointer;min-height:32px}
.tk-check input{width:18px;height:18px;accent-color:var(--brand);flex-shrink:0}
.tk-seg{display:flex;flex-wrap:wrap;gap:.3rem;padding:.3rem;background:var(--bg-soft);border:1px solid var(--line);border-radius:12px}
.tk-seg button{flex:1 1 auto;min-height:38px;padding:.45rem .7rem;border:0;border-radius:9px;background:transparent;font:700 .8rem/1.2 var(--font);color:var(--ink-2);cursor:pointer;white-space:nowrap}
.tk-seg button[aria-pressed=true]{background:#fff;color:var(--brand);box-shadow:var(--sh-1)}
.tk-seg button:hover:not([aria-pressed=true]){color:var(--brand)}
.tk-chipset{display:flex;flex-wrap:wrap;gap:.4rem}
.tk-chipset button{min-height:36px;padding:.4rem .75rem;border:1.5px solid var(--line);border-radius:var(--pill);background:#fff;font:700 .78rem/1.2 var(--font);color:var(--ink-2);cursor:pointer}
.tk-chipset button:hover,.tk-chipset button[aria-pressed=true]{border-color:var(--brand);color:var(--brand);background:var(--brand-50)}

/* Buttons */
.tk-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:46px;padding:.75rem 1.25rem;border:1.5px solid var(--brand);border-radius:12px;background:var(--brand);color:#fff;font:700 .92rem/1.2 var(--font);text-align:center;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,color .15s,transform .1s}
.tk-btn:hover{background:var(--brand-600);border-color:var(--brand-600)}
.tk-btn:active{transform:translateY(1px)}
.tk-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.tk-btn--accent{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.tk-btn--accent:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff}
.tk-btn--ghost{background:#fff;color:var(--brand)}
.tk-btn--ghost:hover{background:var(--brand-50);border-color:var(--brand)}
.tk-btn--quiet{background:transparent;border-color:var(--line);color:var(--ink-2)}
.tk-btn--quiet:hover{background:var(--bg-soft);border-color:var(--faint);color:var(--ink)}
.tk-btn--sm{min-height:38px;padding:.5rem .85rem;font-size:.82rem;border-radius:10px}
.tk-btn--block{width:100%}
.tk-btn.is-done{background:var(--ok);border-color:var(--ok);color:#fff}
.tk-actions{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}
.tk-actions--end{justify-content:flex-end}
.tk-btn:focus-visible,.tk-seg button:focus-visible,.tk-chipset button:focus-visible,.tk-drop:focus-within{outline:3px solid var(--sky);outline-offset:2px}

/* Preview */
.tk-stage{position:relative;display:grid;place-items:center;min-height:260px;padding:.75rem;border-radius:var(--r-lg);background:var(--bg-soft);border:1px solid var(--line);overflow:hidden}
.tk-stage canvas,.tk-stage img{display:block;max-width:100%;max-height:min(62vh,560px);width:auto;height:auto;border-radius:6px}
.tk-checker{background-color:#fff;background-image:linear-gradient(45deg,#e6e8f0 25%,transparent 25%),linear-gradient(-45deg,#e6e8f0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e6e8f0 75%),linear-gradient(-45deg,transparent 75%,#e6e8f0 75%);background-size:18px 18px;background-position:0 0,0 9px,9px -9px,-9px 0}
.tk-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}
.tk-compare figure{margin:0;min-width:0}
.tk-compare figcaption{font:700 .75rem/1 var(--font);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:.45rem}
.tk-compare .tk-stage{min-height:200px}
.tk-cap{font-size:.78rem;color:var(--muted);text-align:center;margin-top:.45rem}

/* Results */
.tk-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:.6rem}
.tk-stat{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:.7rem .8rem;min-width:0}
.tk-stat span{display:block;font:700 .68rem/1.2 var(--font);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.tk-stat b{display:block;margin-top:.3rem;font:800 1.05rem/1.2 var(--display);color:var(--ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.tk-stat--good{background:var(--ok-50);border-color:#bfe8d5}
.tk-stat--good b{color:var(--ok)}
.tk-stat--bad{background:#fff4ec;border-color:#ffd9c2}
.tk-stat--bad b{color:#b4470d}

.tk-files{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.tk-file{display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:.8rem;align-items:center;padding:.65rem;border:1px solid var(--line);border-radius:14px;background:#fff}
.tk-file img,.tk-file canvas{width:56px;height:56px;object-fit:cover;border-radius:10px;background:var(--bg-soft);display:block}
.tk-file b{display:block;font:700 .9rem/1.3 var(--font);color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tk-file small{display:block;margin-top:.2rem;font-size:.78rem;color:var(--muted);line-height:1.45}
.tk-file small strong{color:var(--ok)}
.tk-file small em{font-style:normal;color:#b4470d;font-weight:600}
.tk-file .tk-actions{flex-wrap:nowrap}
.tk-bar{height:6px;border-radius:999px;background:var(--line-2);overflow:hidden;margin-top:.45rem}
.tk-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--sky));border-radius:inherit;transition:width .3s}

.tk-status{display:flex;align-items:flex-start;gap:.5rem;padding:.75rem .95rem;border-radius:12px;font:600 .875rem/1.45 var(--font);border:1px solid}
.tk-status[hidden]{display:none}
.tk-status--info{background:var(--sky-50);color:#06456b;border-color:#bfe0f5}
.tk-status--success{background:var(--ok-50);color:#06402d;border-color:#9bdcc1}
.tk-status--warn{background:#fff6e5;color:#7c4a00;border-color:#f6cf86}
.tk-status--error{background:var(--err-50);color:#7a1610;border-color:#f3b4ae}

.tk-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem;padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid var(--line-2)}
.tk-filename{display:flex;align-items:center;gap:.6rem;min-width:0;font:700 .92rem/1.3 var(--font);color:var(--ink)}
.tk-filename span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tk-filename small{font-weight:600;color:var(--muted);white-space:nowrap}
.tk-output{width:100%;margin:0;padding:.85rem 1rem;border:1px solid var(--line);border-radius:12px;background:var(--bg-soft);font:500 .85rem/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink);white-space:pre-wrap;overflow-wrap:anywhere;max-height:420px;overflow:auto}
.tk-table{width:100%;border-collapse:collapse;font-size:.875rem}
.tk-table th,.tk-table td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--line-2);vertical-align:top}
.tk-table th{width:38%;font-weight:700;color:var(--ink-2)}
.tk-table td{color:var(--ink);overflow-wrap:anywhere}
.tk-table caption{text-align:left;font:800 .9rem/1.3 var(--display);color:var(--ink);padding:.9rem .2rem .4rem}
.tk-swatch{width:100%;height:84px;border-radius:12px;border:1px solid var(--line)}
.tk-note{font-size:.8rem;color:var(--muted);line-height:1.55}

/* ── Content below the tool ───────────────────────────────────────────── */
.tk-content .sb-section{padding:clamp(2.5rem,5vw,4rem) 0}
.tk-cols{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.tk-steps{list-style:none;counter-reset:s;display:grid;gap:.7rem;margin:1.25rem 0 0;padding:0}
.tk-steps li{counter-increment:s;position:relative;padding:1rem 1.1rem 1rem 3.4rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);color:var(--ink-2);line-height:1.6}
.tk-steps li::before{content:counter(s);position:absolute;left:1rem;top:.95rem;width:1.7rem;height:1.7rem;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff;font:800 .8rem/1 var(--display)}
.tk-answer{padding:1.1rem 1.25rem;border-left:4px solid var(--brand);background:var(--brand-50);border-radius:0 var(--r) var(--r) 0;color:var(--ink-2);line-height:1.7;margin-top:1rem}
.tk-answer strong{color:var(--ink)}
.tk-list{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.55rem}
.tk-list li{display:flex;gap:.6rem;color:var(--ink-2);line-height:1.6}
.tk-list svg{flex-shrink:0;margin-top:.2rem;color:var(--brand)}
.tk-list--warn svg{color:var(--warn)}
.tk-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:1.35rem}
.tk-box h3{font:800 1.05rem/1.3 var(--display);color:var(--ink);margin-bottom:.25rem}
.tk-box+.tk-box{margin-top:1rem}
.tk-trust{display:grid;gap:.75rem;margin-top:1rem}
.tk-trust p{display:flex;gap:.6rem;font-size:.92rem;color:var(--ink-2);line-height:1.6}
.tk-trust svg{flex-shrink:0;color:var(--ok);margin-top:.2rem}
.tk-svc{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem 2rem;padding:1.4rem 1.6rem;border-radius:var(--r-lg);background:var(--brand-50);border:1px solid var(--brand-100)}
.tk-svc b{display:block;font:800 1.1rem/1.3 var(--display);color:var(--ink)}
.tk-svc p{color:var(--ink-2);margin-top:.25rem;max-width:60ch;line-height:1.6}
.tk-svc>div{flex:1 1 280px;min-width:0}
.tk-related{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin-top:1.25rem}

/* ── Hub (/tools/) ────────────────────────────────────────────────────── */
.tk-cats{display:flex;gap:.5rem;overflow-x:auto;padding:.25rem .1rem .6rem;scrollbar-width:none;margin-bottom:1.5rem}
.tk-cats::-webkit-scrollbar{display:none}
.tk-cats a,.tk-cats button{flex-shrink:0;display:inline-flex;align-items:center;gap:.4rem;min-height:40px;padding:.5rem .95rem;border:1.5px solid var(--line);border-radius:var(--pill);background:#fff;font:700 .82rem/1 var(--font);color:var(--ink-2);text-decoration:none;cursor:pointer}
.tk-cats a:hover,.tk-cats [aria-pressed=true]{border-color:var(--brand);color:var(--brand);background:var(--brand-50)}
.tk-cats small{font-weight:700;color:var(--faint)}
.tk-card[hidden],.tk-hub-group[hidden],.tk-app [hidden],.tk-file[hidden]{display:none!important}
.tk-hub-group{scroll-margin-top:calc(var(--hdr) + 1rem)}
.tk-hub-group+.tk-hub-group{margin-top:2.75rem}
.tk-hub-head{display:flex;align-items:center;gap:.8rem;margin-bottom:1.1rem}
.tk-card{position:relative}
.tk-card .tk-card-ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand)}
.tk-card .tk-tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:auto;padding-top:.4rem}
.tk-card .tk-tags span{font:700 .68rem/1 var(--font);color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--pill);padding:.3rem .5rem}
.tk-search{position:relative;max-width:520px;margin-top:1.5rem}
.tk-search svg{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--faint);pointer-events:none}
.tk-search input{width:100%;min-height:52px;border:0;border-radius:var(--pill);padding:.9rem 1.2rem .9rem 3rem;font:500 1rem var(--font);color:var(--ink);box-shadow:var(--sh-2)}
.tk-search input:focus{outline:3px solid var(--sky);outline-offset:2px}

@media (max-width:900px){
  .tk-grid,.tk-grid--wide,.tk-grid--media,.tk-grid--narrow,.tk-cols{grid-template-columns:minmax(0,1fr)}
  .tk-grid--preview>.tk-main{order:-1}   /* on phones, see the image before the settings */
}
@media (max-width:560px){
  .tk-row{grid-template-columns:minmax(0,1fr)}
  .tk-compare{grid-template-columns:minmax(0,1fr)}
  .tk-drop{min-height:200px;padding:1.5rem 1rem}
  .tk-file{grid-template-columns:48px minmax(0,1fr);}
  .tk-file img,.tk-file canvas{width:48px;height:48px}
  .tk-file .tk-actions{grid-column:1/-1}
  .tk-file .tk-actions .tk-btn{flex:1}
  .tk-actions>.tk-btn{flex:1 1 auto}
  .tk-bench{border-radius:var(--r-lg)}
  .tk-steps li{padding-left:3rem}
}
@media (prefers-reduced-motion:reduce){.tk-btn,.tk-bar i,.tk-drop{transition:none}}