/* ===== mssgr / Очаг — дизайн-система (iOS-уклон) ===== */
:root{
  --bg:#F4F1EE; --app:#FBFAF8; --surface:#FFFFFF; --surface-2:#F0ECE8;
  --text:#1B1A1F; --dim:#736E78; --faint:#A9A3AE; --border:#EBE6E1; --hair:rgba(60,50,45,.10);
  --accent:#6D5AE6; --accent-2:#E0639E; --online:#23BC8C; --danger:#E5484D;
  --grad:linear-gradient(135deg,#6D5AE6 0%,#A85AD6 52%,#E0639E 100%);
  --grad-soft:linear-gradient(135deg,rgba(109,90,230,.16),rgba(224,99,158,.16));
  --shadow:0 1px 2px rgba(28,26,25,.04),0 8px 24px rgba(28,26,25,.06);
  --shadow-lg:0 8px 40px rgba(60,40,90,.16);
  --bubble-other:#F0ECE8; --bubble-other-tx:#1B1A1F;
  --blur:saturate(180%) blur(20px);
}
[data-theme="dark"]{
  --bg:#0F0E13; --app:#16151C; --surface:#1D1B25; --surface-2:#26232F;
  --text:#F2F0F5; --dim:#9B96A6; --faint:#6B6676; --border:#2A2734; --hair:rgba(255,255,255,.08);
  --accent:#8B7BF0; --accent-2:#EA7FB4; --online:#33D6A2; --danger:#FF6166;
  --grad:linear-gradient(135deg,#7E6CF0 0%,#B66FE0 52%,#EA7FB4 100%);
  --grad-soft:linear-gradient(135deg,rgba(139,123,240,.20),rgba(234,127,180,.18));
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 10px 50px rgba(0,0,0,.5);
  --bubble-other:#26232F; --bubble-other-tx:#F2F0F5;
}
@media (prefers-color-scheme:dark){:root[data-theme="auto"]{
  --bg:#0F0E13; --app:#16151C; --surface:#1D1B25; --surface-2:#26232F;
  --text:#F2F0F5; --dim:#9B96A6; --faint:#6B6676; --border:#2A2734; --hair:rgba(255,255,255,.08);
  --accent:#8B7BF0; --accent-2:#EA7FB4; --online:#33D6A2; --danger:#FF6166;
  --grad:linear-gradient(135deg,#7E6CF0 0%,#B66FE0 52%,#EA7FB4 100%);
  --grad-soft:linear-gradient(135deg,rgba(139,123,240,.20),rgba(234,127,180,.18));
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 10px 50px rgba(0,0,0,.5);
  --bubble-other:#26232F; --bubble-other-tx:#F2F0F5;
}}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overscroll-behavior:none}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display",system-ui,"Segoe UI",Roboto,sans-serif;
  background:var(--app);color:var(--text);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-size:16px;
}
.app-root{position:fixed;inset:0;display:flex;flex-direction:column;background:var(--app);overflow:hidden}
/* на больших экранах — телефонная колонка по центру, не простыня */
@media (min-width:600px){
  body{
    display:grid;place-items:center;padding:24px;
    background:
      radial-gradient(1200px 600px at 15% -10%,rgba(109,90,230,.10),transparent 60%),
      radial-gradient(1000px 500px at 110% 10%,rgba(224,99,158,.10),transparent 55%),
      var(--bg);
  }
  .app-root{
    position:relative;inset:auto;
    width:420px;max-width:100%;height:min(900px,94vh);
    border-radius:34px;border:1px solid var(--border);box-shadow:var(--shadow-lg);
  }
}

/* экраны со слайдом как в iOS */
.screen{position:absolute;inset:0;display:flex;flex-direction:column;background:var(--app);
  transition:transform .42s cubic-bezier(.32,.72,0,1),opacity .42s;will-change:transform}
.screen.hide-left{transform:translateX(-24%);opacity:.5;pointer-events:none}
.screen.hide-right{transform:translateX(100%);pointer-events:none}
@media (prefers-reduced-motion:reduce){.screen{transition:opacity .2s}.screen.hide-left{transform:none}.screen.hide-right{transform:none;opacity:0}}

/* навбар iOS: блюр-материал, hairline снизу */
.nav{position:relative;z-index:3;padding:max(8px,env(safe-area-inset-top)) 8px 8px;
  background:color-mix(in srgb,var(--app) 80%,transparent);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);
  border-bottom:.5px solid var(--hair)}
.nav-row{display:flex;align-items:center;gap:8px;min-height:44px;padding:0 6px}
.nav-row .grow{flex:1}
.nav-title{font-size:17px;font-weight:650;letter-spacing:-.02em}
/* крупный заголовок iOS, сжимается классом .collapsed */
.large{font-size:32px;font-weight:760;letter-spacing:-.03em;padding:2px 12px 8px;
  transition:opacity .2s,height .2s,padding .2s,transform .2s}
.nav.collapsed .large{opacity:0;height:0;padding:0 12px;transform:translateY(-6px);overflow:hidden}

.iconbtn{width:40px;height:40px;border:0;background:transparent;border-radius:50%;
  display:grid;place-items:center;color:var(--accent);cursor:pointer;transition:background .15s,transform .1s}
.iconbtn:hover{background:var(--surface-2)}
.iconbtn:active{transform:scale(.9)}
.iconbtn svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* аватары + presence-кольцо */
.av{border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:650;background:var(--grad);flex:none}
.av.s52{width:52px;height:52px;font-size:19px}
.av.s40{width:40px;height:40px;font-size:15px}
.av.s34{width:34px;height:34px;font-size:13px}
.av.s30{width:30px;height:30px;font-size:12px}
.av[data-c="1"]{background:linear-gradient(135deg,#F2994A,#EB5757)}
.av[data-c="2"]{background:linear-gradient(135deg,#2D9CDB,#56CCF2)}
.av[data-c="3"]{background:linear-gradient(135deg,#27AE60,#6FCF97)}
.av[data-c="4"]{background:linear-gradient(135deg,#BB6BD9,#9B51E0)}
.av[data-c="5"]{background:linear-gradient(135deg,#EB5757,#F2994A)}
.av[data-c="6"]{background:linear-gradient(135deg,#11998e,#38ef7d)}
.ring{position:relative;flex:none}
.ring::after{content:"";position:absolute;inset:-4px;border-radius:50%;
  background:conic-gradient(from 120deg,var(--online),#7DE8C4,var(--online));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 2.5px),#000 0);
          mask:radial-gradient(farthest-side,transparent calc(100% - 2.5px),#000 0);
  animation:spin 3.4s linear infinite}
.ring .dot{position:absolute;right:0;bottom:0;width:12px;height:12px;border-radius:50%;background:var(--online);border:2.5px solid var(--app)}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.ring::after{animation:none}}

/* списки */
.scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.row{display:flex;align-items:center;gap:13px;padding:10px 16px;cursor:pointer;transition:background .14s}
.row:active{background:var(--surface-2)}
.row .mid{flex:1;min-width:0}
.row .nm{display:flex;align-items:center;gap:7px;font-weight:600;font-size:16px;letter-spacing:-.01em}
.row .pin{font-size:11px;color:var(--accent);font-weight:600}
.row .last{color:var(--dim);font-size:14px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .last b{color:var(--text);font-weight:600}
.row .meta{display:flex;flex-direction:column;align-items:flex-end;gap:5px;flex:none}
.row .tm{font-size:12.5px;color:var(--faint)}
.badge{min-width:22px;height:22px;padding:0 7px;border-radius:11px;background:var(--grad);color:#fff;
  font-size:12.5px;font-weight:680;display:grid;place-items:center;box-shadow:0 2px 8px rgba(109,90,230,.4)}
.sep{height:.5px;background:var(--hair);margin-left:69px}

/* нижние табы iOS */
.tabs{display:flex;border-top:.5px solid var(--hair);
  background:color-mix(in srgb,var(--app) 82%,transparent);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
.tab{flex:1;border:0;background:transparent;padding:6px 0 5px;display:flex;flex-direction:column;align-items:center;gap:3px;
  color:var(--faint);cursor:pointer;font-size:10.5px;font-weight:560;transition:color .15s}
.tab svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tab.on{color:var(--accent)}

/* пузыри переписки */
.thread{flex:1;overflow-y:auto;padding:12px 12px 8px;display:flex;flex-direction:column;gap:3px}
.daysep{align-self:center;font-size:12px;color:var(--dim);background:var(--surface-2);padding:4px 12px;border-radius:20px;margin:10px 0 6px}
.msg{max-width:80%;padding:9px 13px;border-radius:20px;font-size:15px;line-height:1.38;animation:pop .26s cubic-bezier(.32,.72,0,1);word-wrap:break-word}
@keyframes pop{from{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.msg{animation:none}}
.msg .tm{font-size:10.5px;opacity:.7;margin-left:8px;float:right;margin-top:5px}
.msg .who{font-size:12.5px;font-weight:680;margin-bottom:2px}
.in{align-self:flex-start;background:var(--bubble-other);color:var(--bubble-other-tx);border-bottom-left-radius:7px}
.out{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:7px}
.in .who{color:var(--accent)}
.msg.pending{opacity:.55}
.msg.failed{box-shadow:0 0 0 1.5px var(--danger);cursor:pointer}
/* картинки в пузырях */
.msg.has-img{padding:3px;position:relative;max-width:72%}
.msg-img{display:block;width:100%;max-width:240px;max-height:340px;border-radius:15px;cursor:pointer;object-fit:cover}
.msg.has-img .tm{position:absolute;right:11px;bottom:10px;float:none;margin:0;color:#fff;background:rgba(0,0,0,.4);padding:1px 7px;border-radius:11px;backdrop-filter:blur(4px)}
.msg.has-img .cap{padding:5px 9px 3px;font-size:14.5px}
/* полноэкранный просмотр */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.93);display:none;align-items:center;justify-content:center;z-index:100;padding:16px;animation:fadein .2s}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.lightbox.show{display:flex}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px}

/* поле ввода */
.composer{display:flex;align-items:flex-end;gap:8px;padding:9px 10px calc(9px + env(safe-area-inset-bottom));
  border-top:.5px solid var(--hair);background:var(--app)}
.composer .field{flex:1;display:flex;align-items:center;gap:8px;background:var(--surface-2);border-radius:22px;padding:8px 8px 8px 15px;min-height:44px}
.composer textarea{flex:1;border:0;background:transparent;color:var(--text);font-size:16px;outline:none;resize:none;font-family:inherit;max-height:110px;line-height:1.3}
.composer textarea::placeholder{color:var(--faint)}
.send{width:44px;height:44px;border-radius:50%;border:0;background:var(--grad);color:#fff;display:grid;place-items:center;cursor:pointer;flex:none;box-shadow:0 4px 14px rgba(109,90,230,.4);transition:transform .12s}
.send:active{transform:scale(.9)}
.send svg{width:21px;height:21px;fill:#fff}

/* экран входа */
.auth{flex:1;display:flex;flex-direction:column;justify-content:center;padding:max(32px,env(safe-area-inset-top)) 28px 28px;position:relative;overflow:hidden}
.auth .glow{position:absolute;width:360px;height:360px;border-radius:50%;background:var(--grad);filter:blur(90px);opacity:.20;top:-110px;right:-90px;pointer-events:none}
.brand{display:flex;align-items:center;gap:11px;margin-bottom:26px;position:relative}
.brand .logo{width:48px;height:48px;border-radius:15px;background:var(--grad);display:grid;place-items:center;box-shadow:0 8px 24px rgba(109,90,230,.4)}
.brand .logo svg{width:27px;height:27px;fill:#fff}
.brand .wm{font-size:28px;font-weight:760;letter-spacing:-.03em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.auth h2{font-size:24px;margin:0 0 4px;letter-spacing:-.02em}
.auth .lead{margin:0 0 18px;color:var(--dim);font-size:15px}
.lbl{font-size:13px;color:var(--dim);margin:14px 2px 6px;font-weight:560}
.inp{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:14px;background:var(--surface);color:var(--text);font-size:16px;outline:none;transition:border .15s,box-shadow .15s;font-family:inherit}
.inp:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--grad-soft)}
.cta{width:100%;margin-top:24px;padding:15px;border:0;border-radius:14px;background:var(--grad);color:#fff;font-size:17px;font-weight:660;cursor:pointer;box-shadow:0 8px 22px rgba(109,90,230,.34);transition:transform .12s,opacity .2s}
.cta:active{transform:scale(.985)}
.cta:disabled{opacity:.6;cursor:default}
.swap{text-align:center;margin-top:18px;font-size:15px;color:var(--dim)}
.swap a{color:var(--accent);font-weight:600;cursor:pointer}
.err{margin-top:14px;text-align:center;color:var(--danger);font-size:14px;min-height:18px;font-weight:560}

/* настройки / общие */
.section-h{font-size:13px;color:var(--dim);font-weight:600;padding:18px 16px 7px;text-transform:uppercase;letter-spacing:.03em}
.card{background:var(--surface);margin:0 12px;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.opt{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;border-bottom:.5px solid var(--hair)}
.opt:last-child{border-bottom:0}
.opt .t{flex:1;font-size:16px}
.opt.danger .t{color:var(--danger)}
.profile{display:flex;align-items:center;gap:14px;padding:18px 16px}
.profile .pn{font-size:20px;font-weight:680;letter-spacing:-.02em}
.profile .pe{color:var(--dim);font-size:14px;margin-top:2px}

.empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--faint);padding:40px;text-align:center}
.empty svg{width:54px;height:54px;stroke:var(--faint);fill:none;stroke-width:1.5;opacity:.6}
.empty .et{font-size:16px;color:var(--dim)}
.hidden{display:none!important}

/* админка: коды приглашений */
.inv{display:flex;align-items:center;gap:10px;background:var(--surface);margin:8px 12px 0;border-radius:14px;padding:12px 14px;box-shadow:var(--shadow)}
.inv .code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;font-weight:600;letter-spacing:.02em;cursor:pointer;color:var(--text)}
.inv .st{font-size:12.5px;color:var(--dim);margin-top:3px}
.inv .st.used{color:var(--faint)}
.inv .mid{flex:1;min-width:0}
.inv .copy{font-size:12px;color:var(--accent);font-weight:600}
.inv-del{border:0;background:transparent;color:var(--danger);font-size:14px;cursor:pointer;padding:6px 8px;border-radius:8px}
.inv-del:active{background:var(--surface-2)}
.inv.fresh{box-shadow:0 0 0 1.5px var(--accent),var(--shadow)}

/* всплывашка */
.toast{position:fixed;left:50%;bottom:calc(80px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(20px);
  background:var(--text);color:var(--app);padding:11px 18px;border-radius:22px;font-size:14px;font-weight:560;
  opacity:0;transition:opacity .25s,transform .25s;z-index:50;pointer-events:none;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.spin-load{width:26px;height:26px;border:2.5px solid var(--surface-2);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
.center-load{flex:1;display:grid;place-items:center}
.statusline{display:flex;align-items:center;gap:6px}
.statusline .od{width:7px;height:7px;border-radius:50%;background:var(--online)}