/* =====================================================
   Secret Note — mobile-first, fully responsive
   Mobile (default)  : Likhein / Kholein tabs, single column, big tap targets
   Tablet  (>=600px) : buttons side by side, QR code visible
   Laptop  (>=900px) : tabs hidden, dono cards side by side
   Link se khulne par: sirf "Note kholein" card, har screen par center mein
   Rules for phones  : inputs >=16px (iOS zoom nahi), buttons >=48px high,
                       lambe link / text wrap hote hain, page kabhi sideways scroll nahi hota
   ===================================================== */

.sn-section{padding-top:6px;overflow-x:clip}
.sn-section [hidden]{display:none !important}
.sn-section *,.sn-section *::before,.sn-section *::after{box-sizing:border-box}
.sn-section button,.sn-section label,.sn-section a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}

/* visually hidden (radio inputs keyboard se bhi chalte hain) */
.sn-sr{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Heading ---------- */
.sn-head{text-align:center;max-width:680px;margin:0 auto 20px}
.sn-badge{display:inline-flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;max-width:100%;background:var(--black-soft);border:1px solid var(--gold);color:var(--gold);padding:6px 14px;border-radius:30px;font-size:clamp(.72rem,3.3vw,.85rem);font-weight:600;line-height:1.4;margin-bottom:12px}
.sn-title{font-size:clamp(1.6rem,7vw,2.3rem);font-weight:700;line-height:1.2;margin:0 0 8px;text-align:center}
.sn-title span{color:var(--gold)}
.sn-sub{color:var(--text-muted);font-size:clamp(.84rem,3.6vw,.98rem);line-height:1.6;margin:0 auto;max-width:580px;text-align:center}

/* ---------- Alert ---------- */
.sn-alert{display:none;max-width:700px;margin:0 auto 14px;background:rgba(255,107,107,.1);border:1px solid rgba(255,107,107,.35);color:#ff9d9d;padding:12px 16px;border-radius:10px;font-size:.9rem;line-height:1.5;text-align:center;overflow-wrap:anywhere}
.sn-alert.show{display:block}
.sn-alert.ok{background:rgba(46,204,113,.1);border-color:rgba(46,204,113,.35);color:#7be3a5}

/* ---------- Tabs (phone / tablet) ---------- */
.sn-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;max-width:520px;margin:0 auto 14px;padding:5px;background:var(--black-soft);border:1px solid var(--card-border);border-radius:14px}
.sn-tab{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:8px 10px;background:transparent;border:0;border-radius:10px;color:var(--text-muted);font-family:inherit;font-size:clamp(.88rem,4vw,1rem);font-weight:700;line-height:1.2;cursor:pointer;transition:var(--transition-fast)}
.sn-tab.active{background:var(--gold);color:#000}

/* ---------- Layout ---------- */
.sn-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;align-items:start;max-width:520px;margin:0 auto}
.sn-panel{display:none}
.sn-panel.active{display:block}

/* ---------- Cards ---------- */
.sn-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:16px;min-width:0}
.sn-card-title{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1rem;color:var(--text-light);margin-bottom:14px}
.sn-card-title i{color:var(--gold)}

/* ---------- Form controls ---------- */
.sn-label{display:block;font-size:.85rem;color:var(--text-muted);font-weight:600;margin:0 0 8px;padding:0}
.sn-label em{font-style:normal;font-weight:400;color:var(--text-faint)}
.sn-fieldset{border:0;margin:16px 0 0;padding:0;min-width:0}

.sn-textarea,.sn-input{display:block;width:100%;min-width:0;background:rgba(255,255,255,.03);border:2px solid var(--card-border);border-radius:12px;color:var(--text-light);font-family:inherit;font-size:16px;line-height:1.6;outline:none;-webkit-appearance:none;appearance:none;transition:var(--transition-fast)}
.sn-textarea{min-height:170px;padding:12px 14px;resize:vertical;overflow-wrap:anywhere}
.sn-input{min-height:50px;padding:10px 14px}
.sn-textarea::placeholder,.sn-input::placeholder{color:var(--text-faint);opacity:.8}
.sn-textarea:focus,.sn-input:focus{border-color:var(--gold)}
.sn-link{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88rem;color:var(--gold);text-overflow:ellipsis}
.sn-count{text-align:right;font-size:.78rem;color:var(--text-faint);margin:6px 2px 16px;font-variant-numeric:tabular-nums}

/* password + buttons in one row */
.sn-pw-row{display:flex;align-items:stretch;gap:8px;min-width:0}
.sn-pw-row .sn-input{flex:1 1 0}
.sn-icon-btn{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:50px;min-height:50px;background:transparent;border:2px solid var(--card-border);border-radius:12px;color:var(--text-muted);font-size:1.05rem;cursor:pointer;transition:var(--transition-fast)}
.sn-icon-btn:hover,.sn-icon-btn:focus-visible{border-color:var(--gold);color:var(--gold);outline:none}

.sn-hint{display:flex;gap:8px;align-items:flex-start;margin:10px 0 0;font-size:.8rem;line-height:1.55;color:var(--text-faint)}
.sn-hint i{flex:0 0 auto;margin-top:3px;color:var(--gold)}
.sn-hint-warn{color:#ff9d9d}
.sn-hint-warn i{color:var(--danger)}

/* ---------- Expiry choice (segmented) ---------- */
.sn-seg{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
.sn-seg-opt{position:relative;display:block;min-width:0;margin:0}
.sn-seg-opt span{display:flex;align-items:center;justify-content:center;min-height:48px;padding:8px 6px;text-align:center;background:var(--black-soft);border:2px solid var(--card-border);border-radius:12px;color:var(--text-muted);font-size:.92rem;font-weight:700;line-height:1.2;cursor:pointer;transition:var(--transition-fast)}
.sn-seg-opt input:checked + span{background:var(--gold-glow-soft);border-color:var(--gold);color:var(--gold)}
.sn-seg-opt input:focus-visible + span{outline:2px solid var(--gold);outline-offset:2px}

/* ---------- Buttons ---------- */
.sn-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:12px 16px;border:1px solid transparent;border-radius:12px;font-family:inherit;font-size:1rem;font-weight:700;line-height:1.25;text-align:center;text-decoration:none;cursor:pointer;transition:var(--transition-fast);max-width:100%}
.sn-block{display:flex;width:100%;margin-top:14px}
.sn-btn-primary{background:var(--gold);color:#000;box-shadow:0 6px 20px var(--gold-glow-soft)}
.sn-btn-primary:hover{background:var(--gold-light)}
.sn-btn-ghost{background:transparent;border-color:var(--card-border);color:var(--text-light)}
.sn-btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.sn-btn-danger{background:transparent;border-color:rgba(255,107,107,.4);color:var(--danger)}
.sn-btn-danger:hover{background:rgba(255,107,107,.1)}
.sn-btn:disabled,.sn-btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;box-shadow:none;pointer-events:none}
.sn-btn:focus-visible,.sn-tab:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.sn-btn-row{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin-top:12px}
.sn-link-btn{display:inline;background:none;border:0;padding:8px 0;min-height:44px;color:var(--gold);font-family:inherit;font-size:.88rem;font-weight:600;cursor:pointer;text-decoration:underline}

/* ---------- Busy ---------- */
.sn-busy{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:14px;color:var(--text-muted);font-size:.9rem;text-align:center}
.sn-spin{flex:0 0 auto;width:20px;height:20px;border:3px solid var(--card-border);border-top-color:var(--gold);border-radius:50%;animation:sn-rot .8s linear infinite}
@keyframes sn-rot{to{transform:rotate(360deg)}}

/* ---------- State pill + timer ---------- */
.sn-state{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin:0 0 14px;padding:10px 14px;border-radius:12px;font-size:.92rem;font-weight:600;line-height:1.4;text-align:center}
.sn-state-wait{background:var(--gold-glow-soft);border:1px solid var(--glass-border);color:var(--gold)}
.sn-state-read{background:rgba(46,204,113,.1);border:1px solid rgba(46,204,113,.35);color:#7be3a5}
.sn-state-gone{background:rgba(255,107,107,.1);border:1px solid rgba(255,107,107,.35);color:#ff9d9d}

.sn-timer{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;width:max-content;max-width:100%;margin:14px auto 0;padding:6px 14px;background:var(--gold-glow-soft);border:1px solid var(--glass-border);border-radius:99px;color:var(--gold);font-size:.9rem;font-weight:600;font-variant-numeric:tabular-nums;text-align:center}
.sn-timer.expired{background:rgba(255,107,107,.1);border-color:rgba(255,107,107,.35);color:var(--danger)}

/* ---------- Info boxes ---------- */
.sn-info{display:flex;gap:10px;align-items:flex-start;margin-top:14px;padding:12px 14px;background:var(--black-soft);border:1px solid var(--card-border);border-radius:12px;color:var(--text-muted);font-size:.84rem;line-height:1.6;overflow-wrap:anywhere}
.sn-info > i{flex:0 0 auto;margin-top:3px;color:var(--gold)}
.sn-info > div{min-width:0}
.sn-info strong{color:var(--text-light)}
.sn-info-warn{border-color:rgba(255,107,107,.35)}
.sn-info-warn > i{color:var(--danger)}
.sn-info-pw{border-color:var(--glass-border)}

/* ---------- QR: sirf tablet/laptop par (phone par apni screen khud scan nahi hoti) ---------- */
.sn-qr-wrap{display:none;flex-direction:column;align-items:center;gap:8px;margin-top:16px;text-align:center}
.sn-qr{background:#fff;padding:10px;border-radius:12px;line-height:0;max-width:100%}
.sn-qr canvas{max-width:100%;height:auto !important}
.sn-qr-wrap p{margin:0;color:var(--text-muted);font-size:.8rem}

/* ---------- Khula hua note ---------- */
.sn-note-out{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;max-height:60vh;overflow:auto;padding:14px;background:var(--black-soft);border:1px solid var(--gold);border-radius:12px;color:var(--text-light);font-size:1rem;line-height:1.7;user-select:text;-webkit-user-select:text;-webkit-overflow-scrolling:touch}
.sn-note-out:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.sn-gone-text{margin:0;color:var(--text-muted);font-size:.9rem;line-height:1.7;text-align:center;overflow-wrap:anywhere}

/* ---------- Bottom note ---------- */
.sn-note{max-width:520px;margin:16px auto 0;color:var(--text-faint);font-size:.8rem;line-height:1.6;text-align:center}
.sn-note i{color:var(--gold);margin-right:4px}
.sn-note code{background:var(--black-soft);border:1px solid var(--card-border);border-radius:4px;padding:0 5px;color:var(--text-muted);font-size:.95em}

/* ---------- Link se khulne par: sirf "Note kholein" card ---------- */
.sn-open-mode .sn-tabs,
.sn-open-mode #snPanelMake{display:none !important}
.sn-open-mode #snPanelOpen{display:block !important}
.sn-open-mode .sn-grid{grid-template-columns:minmax(0,1fr) !important;max-width:560px !important}
.sn-open-mode .sn-note{max-width:560px}

/* =====================================================
   Tablet
   ===================================================== */
@media (min-width:600px){
  .sn-card{padding:22px}
  .sn-textarea{min-height:200px}
  .sn-btn-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sn-qr-wrap{display:flex}
}

/* =====================================================
   Laptop / desktop: tabs hide, dono cards saath saath
   ===================================================== */
@media (min-width:900px){
  .sn-tabs{display:none}
  .sn-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-width:960px}
  .sn-panel,.sn-panel.active{display:block}
  .sn-note{max-width:960px}
  .sn-card{padding:26px}
  .sn-textarea{min-height:230px}
}

/* Bahut chhoti screens (320px) */
@media (max-width:359px){
  .sn-card{padding:12px}
  .sn-btn{font-size:.92rem;padding:10px 12px}
  .sn-seg-opt span{font-size:.82rem;padding:8px 2px}
  .sn-icon-btn{width:46px}
}

/* Phone landscape: textarea chhoti taake keyboard ke saath sab nazar aaye */
@media (max-height:480px) and (orientation:landscape){
  .sn-textarea{min-height:110px}
}

@media (prefers-reduced-motion:reduce){
  .sn-btn,.sn-seg-opt span,.sn-input,.sn-textarea{transition:none}
  .sn-spin{animation-duration:2s}
}