/* Biolinko free tools. Loaded after app.css + site.css on /tools pages. Mobile-first. */
.tools-sec{padding-top:24px;display:flex;flex-direction:column;gap:56px}
.tools-search{max-width:520px;margin:0 auto;width:100%;position:relative}
.tools-search input{height:54px;border-radius:999px;padding:0 20px 0 48px;font-size:16px;border-width:1.5px;border-color:var(--ink)}
.tools-search .ico{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.tool-group{display:flex;flex-direction:column;gap:20px}
.tool-group-head{display:flex;flex-direction:column;gap:4px}
.tool-group-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.05}
.tool-group-head p{color:var(--body);font-size:15px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.tool-card{display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:20px;color:var(--ink)}
.tool-card:hover{color:var(--ink);border-color:var(--ink)}
.tool-card .ti{width:44px;height:44px;border-radius:14px;background:var(--tint);color:var(--primary-deep);display:flex;align-items:center;justify-content:center}
.tool-card .ti .ico{width:20px;height:20px}
.tool-card b{font-size:17px;font-family:var(--font-display);letter-spacing:-.02em}
.tool-card span{font-size:14px;color:var(--body);line-height:1.45}
.tool-card .go{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary-deep)}
.tool-card .go .ico{width:14px;height:14px}
.tools-empty{text-align:center;color:var(--muted);padding:40px 0}

/* ---------- single tool ---------- */
.tool-page{padding-top:8px;display:flex;flex-direction:column;gap:56px}
.tool-page .page-hero{padding-bottom:8px}
.tool-shell{padding:20px;border-radius:24px;box-shadow:var(--shadow);max-width:1040px;margin:0 auto;width:100%}
.tool-shell:hover{transform:none}
.tool-grid{display:grid;grid-template-columns:1fr;gap:24px}
.tool-in,.tool-out{display:flex;flex-direction:column;gap:14px;min-width:0}
.tool-out{padding:18px;border-radius:18px;background:var(--ground);border:1px solid var(--border)}
.tf{display:flex;flex-direction:column;gap:6px;min-width:0}
.tf label,.tf .lbl{font-size:13px;font-weight:600;color:var(--ink)}
.tf .hint{font-size:12px;color:var(--muted)}
.tf input,.tf select,.tf textarea{height:48px;font-size:15px}
.tf textarea{height:auto;min-height:110px;line-height:1.5}
.tool-row{display:grid;grid-template-columns:1fr;gap:12px}
.tool-row--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.tool-row--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.tool-row--phone{grid-template-columns:150px minmax(0,1fr)}
.tool-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.tool-actions .btn{flex:1 1 auto;min-width:0}
.out-label{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:flex;justify-content:space-between;align-items:center;gap:8px}
.result-box{position:relative;background:#fff;border:1.5px solid var(--border);border-radius:14px;padding:14px 16px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.5;word-break:break-all;white-space:pre-wrap;min-height:48px;color:var(--ink)}
.result-box.is-empty{color:var(--muted);font-family:var(--font-body);word-break:normal}
.result-box.is-bad{border-color:var(--danger);color:var(--danger);font-family:var(--font-body)}
.result-box--text{font-family:var(--font-body);white-space:pre-wrap;word-break:normal}
.result-box a{color:var(--primary-deep);text-decoration:underline}
.copy-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 14px;border-radius:999px;border:1.5px solid var(--border);background:#fff;font:inherit;font-size:13px;font-weight:600;color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s,color .15s,transform .15s;white-space:nowrap}
.copy-btn .ico{width:14px;height:14px}
.copy-btn:hover{border-color:var(--ink)}
.copy-btn.is-copied{background:var(--ok-bg);border-color:var(--ok-bg);color:var(--ok)}
.copy-btn--sm{height:30px;padding:0 10px;font-size:12px}
.copy-btn--icon{width:34px;padding:0}
.copy-btn--primary{background:var(--primary);border-color:var(--primary);color:#fff;height:46px;padding:0 20px;font-size:14px}
.copy-btn--primary:hover{background:var(--primary-deep);border-color:var(--primary-deep)}
.copy-btn--primary.is-copied{background:var(--ok);border-color:var(--ok);color:#fff}
.tool-note{font-size:13px;color:var(--muted);line-height:1.5;display:flex;gap:8px;align-items:flex-start}
.tool-note .ico{width:14px;height:14px;margin-top:2px;color:var(--primary)}
.tool-warn{font-size:13px;color:var(--warn);background:var(--warn-bg);padding:10px 14px;border-radius:12px;line-height:1.4}
.tool-ok{font-size:13px;color:var(--ok);background:var(--ok-bg);padding:10px 14px;border-radius:12px;line-height:1.4}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{height:34px;padding:0 14px;border-radius:999px;border:1.5px solid var(--border);background:#fff;font:inherit;font-size:13px;font-weight:600;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:border-color .15s,background .15s}
.chip:hover{border-color:var(--ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.tabs{display:flex;gap:4px;padding:4px;border-radius:999px;background:var(--ground);border:1px solid var(--border);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:1 0 auto;height:38px;padding:0 16px;border-radius:999px;border:0;background:transparent;font:inherit;font-size:13px;font-weight:600;color:var(--body);cursor:pointer;white-space:nowrap;transition:background .15s,color .15s}
.tab.on{background:#fff;color:var(--ink);box-shadow:0 2px 8px rgba(11,18,32,.08)}
.tool-toggle{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;cursor:pointer;user-select:none}
.tool-toggle input{width:18px;height:18px;accent-color:var(--primary);margin:0}
.range{display:flex;align-items:center;gap:12px}
.range input[type=range]{flex:1;accent-color:var(--primary);height:auto;padding:0;border:0;box-shadow:none;background:transparent}
.range output{min-width:42px;text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.stat{background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:2px}
.stat b{font-size:26px;font-family:var(--font-display);letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.param-table{width:100%;border-collapse:collapse;font-size:13px;background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}
.param-table th,.param-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);word-break:break-all}
.param-table tr:last-child td{border-bottom:0}
.param-table th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--ground)}
.param-table td:first-child{font-family:ui-monospace,Menlo,monospace;color:var(--primary-deep);white-space:nowrap}

/* previews */
.preview-frame{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:10px}
.wa-bubble{align-self:flex-start;max-width:85%;background:#DCF8C6;color:#111;padding:8px 12px;border-radius:12px 12px 12px 2px;font-size:14px;line-height:1.45;white-space:pre-wrap;word-break:break-word;position:relative;box-shadow:0 1px 1px rgba(0,0,0,.08)}
.wa-bubble .time{display:block;text-align:right;font-size:10px;color:#6b7c72;margin-top:4px}
.wa-frame{background:#E5DDD5;background-image:radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);background-size:14px 14px;border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:8px;min-height:120px}
.wa-head{display:flex;align-items:center;gap:10px;background:#075E54;color:#fff;margin:-18px -18px 6px;padding:12px 16px;border-radius:18px 18px 0 0;font-size:14px;font-weight:600}
.wa-head .av{width:32px;height:32px;border-radius:50%;background:#128C7E;display:flex;align-items:center;justify-content:center;font-size:12px}
.ig-profile{display:flex;flex-direction:column;gap:10px;font-size:14px}
.ig-top{display:flex;align-items:center;gap:20px}
.ig-av{width:76px;height:76px;border-radius:50%;background:linear-gradient(135deg,#f9ce34,#ee2a7b,#6228d7);padding:3px;flex-shrink:0}
.ig-av i{display:block;width:100%;height:100%;border-radius:50%;background:#fff;border:2px solid #fff;background-image:linear-gradient(135deg,var(--tint),#fff)}
.ig-stats{display:flex;gap:18px;flex:1;justify-content:space-around}
.ig-stats div{display:flex;flex-direction:column;align-items:center;line-height:1.15}
.ig-stats b{font-size:16px}.ig-stats span{font-size:12px;color:var(--muted)}
.ig-name{font-weight:700;font-size:14px}
.ig-bio{white-space:pre-wrap;word-break:break-word;font-size:14px;line-height:1.35;max-width:300px;min-height:20px}
.ig-bio .over{background:var(--danger-bg);color:var(--danger);border-radius:3px}
.ig-link{color:#00376b;font-weight:600;font-size:14px}
.ig-btns{display:flex;gap:6px}
.ig-btns span{flex:1;height:32px;border-radius:8px;background:#efefef;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.ig-btns span:first-child{background:#0095f6;color:#fff}

/* rings */
.rings{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:10px}
.ring{display:flex;flex-direction:column;align-items:center;gap:6px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px 6px;text-align:center}
.ring svg{width:64px;height:64px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:6;stroke-linecap:round}
.ring .bg{stroke:#EEF0F5}
.ring .fg{stroke:var(--primary);stroke-dasharray:163.4;stroke-dashoffset:163.4;transition:stroke-dashoffset .25s ease-out,stroke .2s}
.ring.warn .fg{stroke:#D97706}.ring.over .fg{stroke:var(--danger)}
.ring .n{font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.ring.over .n{color:var(--danger)}
.ring .p{font-size:11px;color:var(--muted);font-weight:600;line-height:1.2}

/* font grid */
.font-grid{display:grid;grid-template-columns:1fr;gap:8px}
.font-item{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:10px 10px 10px 14px}
.font-item .fn{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.06em;grid-column:1/-1}
.font-item .fv{font-size:18px;line-height:1.4;word-break:break-word;min-height:24px}

/* hashtags */
.tag-cloud{display:flex;gap:6px;flex-wrap:wrap}
.tag-cloud span{font-size:13px;padding:5px 10px;border-radius:999px;background:var(--tint);color:var(--primary-deep);font-weight:600}
.tag-cloud span.dupe{background:var(--warn-bg);color:var(--warn);text-decoration:line-through}

/* signature */
.sig-preview{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;overflow-x:auto}
.layout-pick{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.layout-pick button{border:1.5px solid var(--border);background:#fff;border-radius:14px;padding:12px 8px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--ink);transition:border-color .15s}
.layout-pick button i{display:block;width:100%;height:34px;border-radius:8px;background:var(--ground);border:1px solid var(--border)}
.layout-pick button.on{border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.15)}

/* password */
.pw-out{font-size:clamp(18px,3vw,26px);font-family:ui-monospace,Menlo,monospace;letter-spacing:.02em;text-align:center;padding:22px 16px;word-break:break-all;user-select:all}
.strength{height:8px;border-radius:999px;background:#EEF0F5;overflow:hidden}
.strength i{display:block;height:100%;width:0;border-radius:999px;background:var(--danger);transition:width .25s,background .25s}
.strength-label{font-size:13px;font-weight:600;display:flex;justify-content:space-between}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}

/* cropper */
.crop-drop{border:2px dashed var(--border);border-radius:18px;padding:32px 16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;cursor:pointer;background:#fff;transition:border-color .15s,background .15s}
.crop-drop:hover,.crop-drop.is-over{border-color:var(--primary);background:var(--tint)}
.crop-drop .ico{width:28px;height:28px;color:var(--primary)}
.crop-drop b{font-size:15px}.crop-drop span{font-size:13px;color:var(--muted)}
.crop-stage{position:relative;width:100%;background:#0B1220;border-radius:16px;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}
.crop-stage canvas{display:block;width:100%;height:auto;cursor:grab}
.crop-stage.is-drag canvas{cursor:grabbing}
.crop-stage .overlay{position:absolute;inset:0;pointer-events:none}
.crop-stage .safe{position:absolute;border:2px dashed rgba(255,255,255,.75);box-shadow:0 0 0 9999px rgba(0,0,0,.45)}
.crop-stage .circle{position:absolute;inset:0;border-radius:50%;box-shadow:0 0 0 9999px rgba(0,0,0,.55)}
.crop-stage .tag{position:absolute;left:10px;top:10px;font-size:11px;font-weight:700;color:#fff;background:rgba(0,0,0,.5);padding:4px 8px;border-radius:999px}
.crop-targets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.crop-targets button{border:1.5px solid var(--border);background:#fff;border-radius:12px;padding:10px;font:inherit;font-size:13px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:2px;color:var(--ink)}
.crop-targets button small{color:var(--muted);font-size:11px}
.crop-targets button.on{border-color:var(--primary);background:var(--tint)}

/* how-to steps */
.how-steps{display:grid;grid-template-columns:1fr;gap:14px;max-width:1040px;margin:0 auto;width:100%}
.how-step{display:flex;gap:14px;align-items:flex-start;padding:20px;border-radius:18px;background:#fff;border:1px solid var(--border)}
.how-step i{width:32px;height:32px;border-radius:10px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;font-size:14px;flex-shrink:0;font-family:var(--font-display)}
.how-step span{font-size:15px;line-height:1.45;padding-top:5px}
.tool-faq{max-width:1040px;margin:0 auto;width:100%;display:flex;flex-direction:column;gap:20px}
.tool-faq .faq-list{max-width:100%}
.tool-cta{max-width:1040px;margin:0 auto;width:100%;padding:36px 24px;border-radius:28px;background:var(--ink);color:#fff;display:flex;flex-direction:column;gap:20px}
.tool-cta h2{color:#fff;font-size:clamp(26px,3vw,38px);line-height:1}
.tool-cta p{color:rgba(255,255,255,.8);font-size:15px}
.tool-cta .claim{border-color:#fff;max-width:520px}
.tool-cta .claim-msg{color:rgba(255,255,255,.8)}.tool-cta .claim-msg.bad{color:#FDE68A}.tool-cta .claim-msg.ok{color:#DCFCE7}
.tool-related{display:flex;flex-direction:column;gap:16px;align-items:center}
.tool-related h2{font-size:22px}
.tool-section-title{font-size:clamp(22px,2.4vw,30px);line-height:1.05}

@media (min-width:760px){
  .tool-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
  .tool-grid--wide{grid-template-columns:minmax(0,3fr) minmax(0,2fr)}
  .tool-grid--stack{grid-template-columns:1fr}
  .tool-shell{padding:28px}
  .font-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .how-steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .how-step{flex-direction:column}
  .tool-cta{padding:48px;flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
  .tool-cta>div:first-child{max-width:420px}
  .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:480px){
  .tool-row--3{grid-template-columns:1fr}
  .tool-row--phone{grid-template-columns:1fr}
  .layout-pick{grid-template-columns:1fr 1fr 1fr}
}
@media (prefers-reduced-motion:reduce){.ring .fg,.strength i,.copy-btn{transition:none}}
/* email signature: 13-layout picker thumbnails */
.layout-pick--many{grid-template-columns:repeat(auto-fill,minmax(92px,1fr))}
.layout-pick--many button{padding:8px 6px;font-size:11.5px;gap:6px}
.sig-th{position:relative;display:flex!important;flex-direction:column;justify-content:center;gap:3px;padding:6px 8px;background:#fff!important;overflow:hidden}
.sig-th b,.sig-th s,.sig-th u,.sig-th em{display:block;border:0;text-decoration:none}
.sig-th b{height:5px;width:60%;border-radius:3px;background:var(--ink)}
.sig-th s{height:3px;width:80%;border-radius:2px;background:#C7CCD6}.sig-th s.short{width:45%}
.sig-th u{height:1px;width:100%;background:var(--border)}.sig-th u.bar{height:4px;background:var(--primary);border-radius:2px}
.sig-th u.vert{width:1px;height:18px;background:var(--primary);margin:0 4px}
.sig-th em{width:12px;height:12px;background:var(--primary);border-radius:50%;flex:none}
.sig-th--row{flex-direction:row;align-items:center;gap:4px}.sig-th--row b{width:28%}.sig-th--row s{width:24%}
.sig-th--side{flex-direction:row;align-items:center;gap:6px}.sig-th--side span{display:flex;flex-direction:column;gap:3px;flex:1}
.sig-th--center{align-items:center}.sig-th--center b{width:50%}.sig-th--center s{width:70%}
.sig-th--dark{background:var(--ink)!important}.sig-th--dark b{background:#fff}.sig-th--dark s{background:rgba(255,255,255,.45)}
.sig-th--mono b{background:repeating-linear-gradient(90deg,var(--ink) 0 4px,transparent 4px 6px)}
.sig-th--caps b{height:4px;background:repeating-linear-gradient(90deg,var(--ink) 0 5px,transparent 5px 7px);width:75%}
.sig-th .dots{display:flex;gap:3px;margin-top:2px}.sig-th .dots em{width:8px;height:8px}
.sig-th--grad{background:linear-gradient(135deg,var(--primary),var(--ink))!important}.sig-th--grad b{background:#fff}.sig-th--grad s{background:rgba(255,255,255,.5)}
.sig-th--script b{height:auto;width:auto;background:none;font:600 15px/1 'Brush Script MT','Segoe Script',cursive;color:var(--ink);transform:rotate(-4deg)}