/* Gopon Drop — Design 3: Minimal White + One Accent (owner pick, 2026-11-07)
   Pure white surfaces, near-black text, hairline borders; the ONLY colour
   is the emerald accent (buttons, play, waveform, ticks, checks). */
:root{
  --accent:#0B7A55; --accent-dark:#096347;
  --ink:#111417; --ink2:#33373B; --grey:#767C80; --grey2:#9AA0A3;
  --line:#E4E5E2; --bg:#FFFFFF; --soft:#FAFAF8;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{font-family:"Inter","Hind Siliguri",system-ui,sans-serif;background:var(--bg);color:var(--ink)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}

/* ---------- layout ---------- */
.app{display:flex;flex-direction:column;height:100dvh;max-width:560px;margin:0 auto;background:var(--bg);position:relative}
.side{display:none}
@media(min-width:1024px){
  body{display:flex;align-items:center;justify-content:center;padding:28px;background:#F2F2F0}
  .app{flex-direction:row;max-width:1240px;width:100%;height:min(880px,94dvh);border-radius:30px;overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 60px rgba(17,20,23,.07)}
  .side{display:flex;flex-direction:column;width:400px;flex-shrink:0;background:#fff;color:var(--ink);padding:48px 42px;border-right:1px solid var(--line)}
  .chatwrap{flex:1;display:flex;flex-direction:column;min-width:0}
  .mhead{display:none!important}
}
.chatwrap{display:flex;flex-direction:column;flex:1;min-height:0;position:relative}

/* ---------- side pane (desktop) ---------- */
.side .logo{width:78px;height:78px;border-radius:22px;border:1.5px solid var(--ink);background:#fff;display:flex;align-items:center;justify-content:center;color:var(--ink)}
.side h1{font-size:40px;font-weight:700;margin-top:26px;letter-spacing:-.5px}
.side .tag{font-size:22px;font-weight:500;line-height:1.45;margin-top:8px;color:var(--grey)}
.side ul{list-style:none;margin-top:38px;display:flex;flex-direction:column;gap:20px}
.side li{display:flex;gap:12px;align-items:center;font-size:18px;font-weight:500;color:var(--ink2)}
.side li .ck{width:26px;height:26px;border-radius:50%;border:1.5px solid var(--accent);background:#fff;color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.side .secure{margin-top:auto;background:#fff;color:var(--ink2);border:1.5px solid var(--line);border-radius:999px;padding:12px 20px;font-weight:600;display:flex;gap:9px;align-items:center;width:fit-content}
.side .secure svg{color:var(--accent)}
.dhead{display:none}
@media(min-width:1024px){
  .dhead{display:block;padding:24px 30px 4px}
  .dhead h2{font-size:27px;font-weight:700;letter-spacing:-.3px}
  .dhead p{color:var(--grey);font-size:16.5px;margin-top:2px}
}

/* ---------- mobile header ---------- */
.mhead{background:#fff;color:var(--ink);padding:12px 16px;display:flex;align-items:center;gap:12px;padding-top:calc(12px + env(safe-area-inset-top));border-bottom:1px solid var(--line)}
.mhead .ava{width:46px;height:46px;border-radius:14px;border:1.5px solid var(--ink);background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.mhead .t1{font-size:20px;font-weight:700;line-height:1.15;letter-spacing:-.3px}
.mhead .t2{font-size:14px;color:var(--grey)}
.snchip{margin-left:auto;flex-shrink:0;font-size:13.5px;font-weight:700;color:#0B7A55;border:1.5px solid #0B7A55;border-radius:999px;padding:4px 11px;white-space:nowrap}

/* ---------- chat ---------- */
.chat{flex:1;overflow-y:auto;padding:18px 16px 12px;background:#fff;display:flex;flex-direction:column;gap:10px}
.datepill{align-self:center;background:none;color:var(--grey2);padding:2px 10px;font-weight:500;font-size:13px;margin-top:2px}
.empty{align-self:center;margin-top:4vh;width:100%;display:flex;justify-content:center}
.bub{align-self:flex-end;background:#fff;border:1px solid var(--line);border-radius:20px;border-top-right-radius:6px;padding:8px;max-width:84%;box-shadow:0 1px 3px rgba(17,20,23,.05);position:relative;animation:pop .18s ease}
.bub{transition:opacity .6s ease,transform .6s ease,filter .6s ease}
.bub.vanish{opacity:0;transform:translateY(-16px) scale(.9);filter:blur(3px)}
@keyframes pop{from{transform:scale(.96);opacity:.4}to{transform:scale(1);opacity:1}}
.bub .meta{display:flex;justify-content:flex-end;align-items:center;gap:5px;margin-top:4px;padding:0 2px}
.bub .time{font-size:11.5px;color:var(--grey2)}
.bub .txt{font-size:16.5px;line-height:1.45;padding:2px 4px 0;white-space:pre-wrap;word-break:break-word}
.bub img.ph,.bub video.ph{display:block;max-width:270px;width:100%;border-radius:14px}
.bub .cap{font-size:15.5px;padding:5px 4px 0}
.frow{display:flex;align-items:center;gap:11px;min-width:230px;padding:3px 4px}
.frow .fic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;font-weight:700;font-size:12px}
.frow .fn{font-weight:600;font-size:15.5px;word-break:break-all;line-height:1.3}
.frow .fs{color:var(--grey);font-size:13px}
.frow .arow{display:flex;align-items:center;gap:11px;min-width:250px;padding:2px 4px}
.arow .play{width:46px;height:46px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.arow audio{height:38px;width:185px}
.prog{height:5px;background:rgba(11,122,85,.14);border-radius:99px;margin:7px 4px 2px;overflow:hidden;display:none}
.prog i{display:block;height:100%;background:var(--accent);width:0%;transition:width .2s}
.bub.sending .prog,.bub.up .prog{display:block}
.bub .st{font-size:11.5px;color:var(--grey)}

/* ---------- composer (single pill, like the mock) ---------- */
.composer{background:#fff;margin:8px 12px calc(10px + env(safe-area-inset-bottom));padding:6px;display:flex;align-items:flex-end;gap:4px;border:1.5px solid var(--line);border-radius:999px}
.composer .plus{width:44px;height:44px;border:1.5px solid var(--line);border-radius:50%;color:var(--ink);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pillbox{flex:1;background:none;border-radius:26px;display:flex;align-items:center;padding:0 4px 0 8px;min-height:44px}
.pillbox textarea{flex:1;border:none;background:none;resize:none;font-size:16.5px;max-height:110px;padding:11px 0;outline:none;line-height:1.35;color:var(--ink)}
.pillbox textarea::placeholder{color:var(--grey2)}
.composer .cam{width:42px;height:44px;color:#4B5054;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.roundbtn{width:46px;height:46px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .12s,background .12s}
.roundbtn:active{transform:scale(.92)}
.roundbtn.send{background:var(--accent-dark);color:#fff}
.recbar{background:#fff;padding:14px 16px calc(14px + env(safe-area-inset-bottom));display:none;align-items:center;gap:14px;border-top:1px solid var(--line)}
.recbar.on{display:flex}
.recbar .dot{width:13px;height:13px;border-radius:50%;background:#DC2626;animation:blink 1s infinite}
@keyframes blink{50%{opacity:.25}}
.recbar .rt{color:#DC2626;font-weight:700;font-size:19px}
.recbar .wave{flex:1;display:flex;gap:3.5px;align-items:center;height:34px;overflow:hidden}
.recbar .wave i{width:4px;background:var(--accent);border-radius:2px;animation:wv 0.8s infinite ease-in-out}
@keyframes wv{0%,100%{transform:scaleY(.4)}50%{transform:scaleY(1)}}
.recbar .cancel{color:#DC2626;font-weight:700;font-size:16px}
.recbar .sendb{background:var(--accent);color:#fff;border-radius:999px;padding:11px 20px;font-weight:700;display:flex;gap:7px;align-items:center}

/* ---------- attach sheet ---------- */
.sheet-wrap{position:fixed;inset:0;background:rgba(17,20,23,.45);display:none;z-index:50}
.sheet-wrap.on{display:block}
.sheet{position:absolute;left:0;right:0;bottom:0;background:#fff;border-radius:26px 26px 0 0;padding:14px 22px calc(26px + env(safe-area-inset-bottom));max-width:560px;margin:0 auto;animation:up .22s ease}
@keyframes up{from{transform:translateY(40px);opacity:.5}to{transform:none;opacity:1}}
.sheet .grab{width:44px;height:5px;border-radius:99px;background:var(--line);margin:0 auto 18px}
.sheet .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px 8px}
.sheet .opt{display:flex;flex-direction:column;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--ink)}
.sheet .opt .oc{width:60px;height:60px;border-radius:50%;background:#fff;border:1.5px solid var(--line);color:var(--ink);display:flex;align-items:center;justify-content:center}
.toast{position:fixed;left:50%;bottom:110px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:12px 20px;border-radius:999px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:88vw;text-align:center}
.toast.on{opacity:1;transform:translateX(-50%)}
.foot-note{text-align:center;color:var(--grey2);font-size:12.5px;padding:4px 0 0;background:#fff}

/* ---------- real cat in the empty state: natural blink + sly smile (owner order, 2026-11-07) ---------- */
.catstage{position:relative;width:min(74vw,300px);aspect-ratio:1/1;animation:catfloat 7s ease-in-out infinite}
.catstage img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;user-select:none;-webkit-user-drag:none}
.catstage .cat-blink{opacity:0;animation:catblink3 9s infinite}
.catstage .cat-smile{opacity:0;animation:catsmile 9s infinite}
@keyframes catblink3{0%,16%,24%,52%,60%,100%{opacity:0}19%,21%,55%,57%{opacity:1}}
@keyframes catsmile{0%,72%,97%,100%{opacity:0}78%,92%{opacity:1}}
@keyframes catfloat{0%,100%{transform:translateY(0) rotate(-.4deg)}50%{transform:translateY(-5px) rotate(.5deg)}}
@media (prefers-reduced-motion: reduce){.catstage,.catstage .cat-blink,.catstage .cat-smile{animation:none}}