/* ============================================================
   Tools — হাব ও টুল পেজের স্টাইল (মোবাইল-ফার্স্ট)
   ============================================================ */
.tk-hub{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tk-tile{display:flex;flex-direction:column;gap:10px;padding:26px 24px 24px;border-radius:20px;background:#fff;border:1px solid #e6ebf3;
  box-shadow:0 8px 26px rgba(15,23,42,.06);color:inherit;transition:transform .2s,box-shadow .2s,border-color .2s}
.tk-tile:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(15,23,42,.12);border-color:rgba(29,78,216,.35)}
.tk-ic{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;font-size:1.8rem;
  background:linear-gradient(135deg,rgba(29,78,216,.12),rgba(14,165,233,.18))}
.tk-tile h3{margin:6px 0 0;font-size:1.15rem;color:var(--navy)}
.tk-tile p{margin:0;color:var(--muted);font-size:.93rem;line-height:1.6;flex:1}
.tk-go{margin-top:6px;align-self:flex-start;padding:9px 20px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:700;font-size:.9rem}

.tk-page{display:grid;gap:26px}
.tk-panel{background:#fff;border:1px solid #e6ebf3;border-radius:22px;padding:26px;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.tk-h2{font-size:1.25rem;margin:0 0 6px;color:var(--navy)}
.tk-sub{color:var(--muted);margin:0 0 16px;font-size:.93rem}
.tk-grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tk-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tk-f{display:flex;flex-direction:column;gap:6px;min-width:0}
.tk-f > label,.tk-lab{font-weight:700;font-size:.9rem;color:#334155}
.tk-f small{color:var(--muted);font-size:.8rem}
.tk-panel input[type=text],.tk-panel input[type=number],.tk-panel input[type=date],.tk-panel input[type=email],.tk-panel input[type=tel],
.tk-panel input[type=url],.tk-panel input[type=password],.tk-panel select,.tk-panel textarea{
  width:100%;padding:12px 14px;border:1.5px solid #d6deea;border-radius:12px;font:inherit;font-size:1rem;background:#fff;color:#0f172a;transition:border-color .15s,box-shadow .15s}
.tk-panel textarea{min-height:170px;resize:vertical;line-height:1.7}
.tk-panel input:focus,.tk-panel select:focus,.tk-panel textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px rgba(29,78,216,.12)}
.tk-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.tk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:12px;border:1.5px solid #cbd5e1;background:#fff;
  color:var(--navy);font:inherit;font-weight:700;font-size:.95rem;cursor:pointer;transition:.15s}
.tk-btn:hover{border-color:var(--brand);color:var(--brand)}
.tk-btn.tk-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(29,78,216,.25)}
.tk-btn.tk-primary:hover{color:#fff;transform:translateY(-1px)}
.tk-btn.sm{padding:8px 14px;font-size:.85rem;border-radius:10px}
.tk-link{background:none;border:0;color:var(--brand);cursor:pointer;font:inherit;font-weight:600;padding:4px 0;text-align:left}

.tk-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tk-tabs button{padding:9px 16px;border-radius:999px;border:1.5px solid #d6deea;background:#fff;font:inherit;font-weight:600;font-size:.88rem;color:#475569;cursor:pointer}
.tk-tabs button.on{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}

/* রেজাল্ট */
.tk-result{margin-top:20px;border-radius:18px;padding:22px;background:linear-gradient(135deg,rgba(29,78,216,.08),rgba(14,165,233,.12));border:1px solid rgba(29,78,216,.15)}
.tk-result[hidden]{display:none}
.tk-big{font-size:clamp(1.7rem,5vw,2.5rem);font-weight:800;color:var(--brand);line-height:1.2;margin:0}
.tk-big small{font-size:.5em;color:var(--muted);font-weight:600}
.tk-kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:16px}
.tk-kv div{background:#fff;border-radius:14px;padding:12px 14px;border:1px solid #e6ebf3}
.tk-kv b{display:block;font-size:1.15rem;color:var(--navy)}
.tk-kv span{font-size:.8rem;color:var(--muted)}
.tk-err{color:#be123c;font-weight:600;margin-top:12px}
.tk-table-wrap{overflow:auto;max-height:420px;border:1px solid #e6ebf3;border-radius:14px;margin-top:12px}
.tk-table{width:100%;border-collapse:collapse;font-size:.92rem}
.tk-table th,.tk-table td{padding:9px 12px;text-align:right;border-bottom:1px solid #eef2f7;white-space:nowrap}
.tk-table th:first-child,.tk-table td:first-child{text-align:left}
.tk-table th{background:#f1f5f9;position:sticky;top:0;color:#334155}
.tk-table tr.hl td{background:rgba(29,78,216,.07);font-weight:700}

/* কার্ড বক্স */
.tk-cardbox.is-empty .tk-card-wrap,.tk-cardbox.is-empty .tk-actions,.tk-cardbox.is-empty .tk-themes{opacity:.4;pointer-events:none}
.tk-card-wrap{max-width:420px;margin:0 auto;border-radius:18px;overflow:hidden;box-shadow:0 18px 44px rgba(15,23,42,.22);background:#e2e8f0}
.tk-canvas{display:block;width:100%;height:auto}
.tk-themes{display:flex;gap:10px;justify-content:center;margin:16px 0 4px}
.tk-theme{width:34px;height:34px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 2px #cbd5e1;cursor:pointer;padding:0}
.tk-theme.on{box-shadow:0 0 0 3px var(--brand)}
.tk-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.tk-actions [hidden]{display:none}

/* ফটো ফিল্ড */
.tk-photo-drop{display:flex;flex-direction:column;align-items:center;gap:4px;padding:22px 14px;border:2px dashed #b6c4da;border-radius:16px;background:#f8fafc;cursor:pointer;text-align:center}
.tk-photo-drop:hover{border-color:var(--brand);background:#eff6ff}
.tk-photo-drop.has{border-style:solid;border-color:#86efac;background:#f0fdf4}
.tk-photo-ic{font-size:1.8rem}
.tk-photo-drop small{color:var(--muted);font-size:.8rem}
.tk-photo-adj{display:grid;gap:8px;margin-top:10px}
.tk-photo-adj label{display:flex;align-items:center;gap:10px;font-size:.85rem;color:#475569}
.tk-photo-adj input[type=range]{flex:1}

/* ডোনাট */
.tk-donut{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:18px}
.tk-donut svg{width:170px;height:170px;flex:none}
.tk-legend{display:grid;gap:8px;font-size:.93rem}
.tk-legend i{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:8px}

/* লেখা কনটেন্ট + FAQ */
.tk-content{max-width:860px;margin:0 auto}
.tk-content h2{margin:1.6em 0 .5em;font-size:1.35rem}
.tk-content p,.tk-content li{color:#334155;line-height:1.85}
.tk-faq details{background:#fff;border:1px solid #e6ebf3;border-radius:14px;padding:14px 18px;margin-bottom:10px}
.tk-faq summary{cursor:pointer;font-weight:700;color:var(--navy)}
.tk-faq details[open] summary{margin-bottom:8px}
.tk-related{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:14px}
.tk-related a{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#fff;border:1px solid #e6ebf3;border-radius:14px;color:var(--navy);font-weight:700}
.tk-related a:hover{border-color:var(--brand);color:var(--brand)}
.tk-privacy{font-size:.85rem;color:var(--muted);margin-top:14px;display:flex;gap:8px;align-items:flex-start}

.tk-toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:#0f172a;color:#fff;padding:10px 20px;border-radius:999px;font-size:.9rem;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:300}
.tk-toast.on{opacity:1;transform:translate(-50%,0)}

.tk-qr-out{display:grid;place-items:center;padding:16px;background:#fff;border-radius:18px;border:1px solid #e6ebf3;width:fit-content;margin:0 auto}
.tk-qr-out canvas,.tk-qr-out svg{display:block;max-width:100%;height:auto}
.tk-stat{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-top:14px}
.tk-stat div{background:#f1f5f9;border-radius:14px;padding:12px;text-align:center}
.tk-stat b{display:block;font-size:1.35rem;color:var(--brand)}
.tk-stat span{font-size:.78rem;color:var(--muted)}
.tk-words{font-size:1.15rem;line-height:1.8;color:#0f172a;background:#fff;border:1px dashed #94a3b8;border-radius:14px;padding:16px 18px;margin-top:10px}

@media(max-width:900px){.tk-hub{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){
  .tk-hub{grid-template-columns:1fr;gap:14px}
  .tk-panel{padding:18px 16px;border-radius:18px}
  .tk-grid2,.tk-grid3{grid-template-columns:1fr}
  .tk-kv{grid-template-columns:repeat(2,1fr)}
  .tk-btn{width:100%}
  .tk-actions .tk-btn,.tk-row .tk-btn.sm{width:auto}
  .tk-card-wrap{max-width:100%}
  .tk-donut svg{width:140px;height:140px}
}

/* ============================================================
   রিভাইজ: Noto Sans Bengali, দুই কলামের লেআউট (বামে ইনপুট, ডানে প্রিভিউ), সহজ UI
   ============================================================ */
.tk-page,.tk-content,.tk-hub,.tk-toast,.tk-panel input,.tk-panel select,.tk-panel textarea,.tk-panel button,.tk-tile{
  font-family:'Noto Sans Bengali','Inter',system-ui,-apple-system,'Segoe UI',sans-serif}
.tk-page{display:block}
.tk-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}
.tk-col{display:grid;gap:22px;min-width:0}
.tk-panel{padding:24px}
.tk-h2{font-size:1.15rem;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.tk-h2 .tk-n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-size:.9rem;font-weight:700;flex:none}
.tk-h2 small{font-weight:500;color:var(--muted);font-size:.8rem}
.tk-f + .tk-f{margin-top:14px}
.tk-f > label,.tk-lab{font-size:.92rem}
.tk-more{margin-top:14px;border-top:1px dashed #dbe3ef;padding-top:12px}
.tk-more > summary{cursor:pointer;color:var(--brand);font-weight:600;font-size:.9rem;list-style:none}
.tk-more > summary::-webkit-details-marker{display:none}
.tk-more > summary::before{content:'＋ '}
.tk-more[open] > summary::before{content:'－ '}
.tk-more > div,.tk-more > .tk-grid2,.tk-more > .tk-grid3{margin-top:12px}
.tk-empty{text-align:center;color:var(--muted);padding:36px 16px;border:2px dashed #d6deea;border-radius:16px;background:#f8fafc;line-height:1.7}
.tk-empty b{display:block;font-size:2rem;margin-bottom:6px}
.tk-photo-adj{background:#f8fafc;border-radius:14px;padding:12px 14px;margin-top:10px}
.tk-adj-t{margin:0 0 4px;font-weight:700;font-size:.88rem;color:#334155}
.tk-photo-adj label span{min-width:74px}
.tk-card-wrap{max-width:360px}
.tk-quick{display:flex;flex-wrap:wrap;gap:8px}
.tk-quick button{padding:8px 14px;border-radius:999px;border:1.5px solid #d6deea;background:#fff;font-size:.85rem;font-weight:600;color:#475569;cursor:pointer;font-family:inherit}
.tk-quick button.on{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}
.tk-hint{font-size:.85rem;color:var(--muted);margin-top:6px;line-height:1.6}
.tk-big{font-size:clamp(1.5rem,4.2vw,2.2rem)}
.tk-panel input[type=color]{padding:3px;height:44px}
@media(max-width:900px){.tk-split{grid-template-columns:1fr;gap:18px}.tk-col{gap:18px}}

/* ============================================================
   রিডিজাইন ৩: বামে ইনপুট+ফলাফল, ডানে স্টিকি কার্ড; প্রিমিয়াম ক্যালেন্ডার; রঙের সোয়াচ
   ============================================================ */
.tk-split.tk-wide{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.tk-sticky{position:sticky;top:92px;align-self:start}
.tk-single{max-width:820px;margin:0 auto;display:grid;gap:22px}
.tk-split.tk-two{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}
.tk-panel .tk-result{margin-top:0}
@media(max-width:900px){.tk-sticky{position:static}.tk-split.tk-wide,.tk-split.tk-two{grid-template-columns:1fr}}

/* রঙের সোয়াচ */
.tk-sw-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tk-sw{width:34px;height:34px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 1.5px #cbd5e1;cursor:pointer;padding:0;position:relative;transition:transform .15s}
.tk-sw:hover{transform:scale(1.1)}
.tk-sw.on{box-shadow:0 0 0 3px var(--brand)}
.tk-sw-custom{display:grid;place-items:center;background:conic-gradient(#ef4444,#f59e0b,#22c55e,#06b6d4,#6366f1,#d946ef,#ef4444);color:#fff;font-weight:800;font-size:1.05rem;overflow:hidden;text-shadow:0 1px 2px rgba(0,0,0,.5)}
.tk-sw-native{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;padding:0;border:0}

/* প্রিমিয়াম ক্যালেন্ডার */
.tk-date{width:100%}
.tk-date-btn{display:flex;align-items:center;gap:10px;width:100%;padding:12px 14px;border:1.5px solid #d6deea;border-radius:12px;background:#fff;font:inherit;font-size:1rem;color:#0f172a;cursor:pointer;text-align:left;transition:border-color .15s,box-shadow .15s}
.tk-date-btn:hover,.tk-date-btn:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px rgba(29,78,216,.12)}
.tk-date-txt{flex:1;font-weight:600}
.tk-date-txt.empty{color:#94a3b8;font-weight:500}
.tk-date-caret{color:#94a3b8;font-size:.8rem}
.tk-cal{position:absolute;z-index:400;width:320px;background:#fff;border-radius:22px;box-shadow:0 24px 70px rgba(15,23,42,.28),0 0 0 1px rgba(15,23,42,.06);padding:14px 14px 12px;font-family:'Noto Sans Bengali','Inter',system-ui,sans-serif;animation:tkcal .16s ease-out}
@keyframes tkcal{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.tk-cal-head{display:flex;align-items:center;gap:6px;padding:4px 2px 12px}
.tk-cal-nav{width:34px;height:34px;border-radius:50%;border:0;background:#eff6ff;color:var(--brand);font-size:1.3rem;line-height:1;cursor:pointer;flex:none}
.tk-cal-nav:hover{background:var(--brand);color:#fff}
.tk-cal select{flex:1;min-width:0;padding:7px 8px;border:1.5px solid #e2e8f0;border-radius:10px;font:inherit;font-weight:700;font-size:.92rem;color:#0f172a;background:#fff;cursor:pointer}
.tk-cal select.tk-cal-y{flex:.8}
.tk-cal-week,.tk-cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px;text-align:center}
.tk-cal-week span{font-size:.74rem;font-weight:700;color:#64748b;padding:4px 0}
.tk-cal-week span.off{color:#e11d48}
.tk-cal-d{aspect-ratio:1;border:0;background:transparent;border-radius:50%;font:inherit;font-size:.92rem;font-weight:600;color:#0f172a;cursor:pointer;position:relative;transition:background .12s}
.tk-cal-d:hover:not(:disabled){background:#e0ecff}
.tk-cal-d.off{color:#e11d48}
.tk-cal-d.today::after{content:'';position:absolute;left:50%;bottom:5px;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--brand-2)}
.tk-cal-d.sel{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 6px 14px rgba(29,78,216,.35)}
.tk-cal-d.sel::after{background:#fff}
.tk-cal-d:disabled{color:#cbd5e1;cursor:not-allowed}
.tk-cal-foot{display:flex;gap:8px;margin-top:12px;padding-top:10px;border-top:1px solid #eef2f7}
.tk-cal-foot button{flex:1;padding:9px 6px;border-radius:10px;border:1.5px solid #e2e8f0;background:#fff;font:inherit;font-weight:700;font-size:.85rem;color:#475569;cursor:pointer}
.tk-cal-foot button.pri{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}
.tk-cal-foot button:disabled{opacity:.4;cursor:not-allowed}
.tk-cal.sheet{position:fixed;left:0;right:0;bottom:0;top:auto;width:auto;border-radius:24px 24px 0 0;padding:18px 16px calc(14px + env(safe-area-inset-bottom));z-index:500;animation:tksheet .22s ease-out}
.tk-cal.sheet .tk-cal-d{font-size:1rem}
@keyframes tksheet{from{transform:translateY(100%)}to{transform:none}}
.tk-note{background:#f8fafc;border-radius:14px;padding:14px 16px;font-size:.9rem;color:#475569;line-height:1.7}

/* ============================================================
   এক নজরে দেখার মতো কমপ্যাক্ট UI (কম্পিউটার ও মোবাইল)
   ============================================================ */
.page-tool .page-hero,.tk-hero{padding-bottom:18px}
.tk-panel{padding:20px}
.tk-h2{font-size:1.05rem;margin-bottom:12px}
.tk-kv{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-top:12px}
.tk-kv div{padding:10px 12px}
.tk-kv b{font-size:1rem}
.tk-split,.tk-col{gap:18px}
.tk-card-wrap{max-width:320px}
.tk-themes{margin:12px 0 2px}
.tk-sub{margin-bottom:10px;font-size:.88rem}
.tk-result{padding:18px}
.tk-table-wrap{max-height:300px}
.tk-photo-drop{padding:16px 12px}
.tk-photo-adj{padding:10px 12px}
@media(min-width:901px){
  .tk-sticky .tk-card-wrap{max-width:300px}
}
@media(max-width:640px){
  .tk-panel{padding:16px 14px;border-radius:16px}
  .tk-h2{font-size:1rem}
  .tk-kv{grid-template-columns:repeat(2,1fr);gap:8px}
  .tk-kv b{font-size:.95rem}
  .tk-big{font-size:clamp(1.35rem,7vw,1.8rem)}
  .tk-card-wrap{max-width:280px}
  .tk-split,.tk-col{gap:14px}
  .tk-btn{padding:11px 16px}
  .tk-panel .tk-row .tk-btn.sm,.tk-actions .tk-btn{width:auto;flex:1 1 auto}
  .tk-quick button{padding:7px 12px;font-size:.82rem}
  .tk-hint{font-size:.8rem}
}