/* «Связь и точка» — дизайн-система. Тёмный премиум, акцент-«сигнал» мятный, motif — точка. */
:root{
  --bg:#0a0c10;
  --bg-glow:#0e2620;
  --surface:#12161d;
  --surface-2:#171c25;
  --surface-3:#1e2530;
  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.12);
  --text:#eef2f7;
  --muted:#8b98a8;
  --muted-2:#5f6b7a;
  --accent:#37e3a4;
  --accent-ink:#04231a;
  --accent-soft:rgba(55,227,164,.14);
  --call:#2ec76b;
  --danger:#ff5464;
  --danger-soft:rgba(255,84,100,.14);
  --shadow:0 18px 50px -18px rgba(0,0,0,.7);
  --r:18px; --r-sm:12px; --r-lg:26px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background-image:radial-gradient(120% 60% at 50% -10%,var(--bg-glow) 0%,transparent 55%);
  background-attachment:fixed;overscroll-behavior:none;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
#app{min-height:100dvh;display:flex;flex-direction:column}

/* ---------- бренд ---------- */
.brand{display:flex;align-items:center;gap:10px}
.logo{width:34px;height:34px;flex:none;position:relative}
.logo .ring{position:absolute;inset:0;border:2px solid var(--accent);border-radius:50%;opacity:.35}
.logo .ring.r2{inset:6px;opacity:.6}
.logo .dot{position:absolute;left:50%;top:50%;width:11px;height:11px;margin:-5.5px 0 0 -5.5px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 14px var(--accent)}
.brand .name{font-weight:680;letter-spacing:.2px;font-size:17px}
.brand .name b{color:var(--accent)}

/* ---------- центрированные экраны (вход/инвайт) ---------- */
.center{flex:1;display:flex;align-items:center;justify-content:center;padding:24px}
.card{width:100%;max-width:380px;background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 24px;box-shadow:var(--shadow)}
.card .brand{justify-content:center;margin-bottom:6px}
.logo-xl{width:56px;height:56px;margin:0 auto 16px}
.card h1{font-size:22px;font-weight:700;text-align:center;margin:0 0 4px;letter-spacing:.2px}
.card .sub{text-align:center;color:var(--muted);font-size:14px;margin:0 0 22px;line-height:1.5}
.field{margin-bottom:12px}
.field label{display:block;font-size:12px;color:var(--muted);margin:0 0 6px;padding-left:2px}
.field input{width:100%;background:var(--surface-3);border:1px solid var(--line);color:var(--text);
  border-radius:var(--r-sm);padding:13px 14px;font-size:16px;transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field input::placeholder{color:var(--muted-2)}

.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  border-radius:var(--r-sm);padding:14px;font-size:16px;font-weight:640;
  transition:transform .12s var(--ease),filter .15s var(--ease),background .15s var(--ease)}
.btn:active{transform:scale(.985)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{background:var(--surface-3);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--line-2)}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn svg{width:20px;height:20px;flex:none}
.icon-btn svg{width:20px;height:20px}
.call-btn svg{width:22px;height:22px}
.err{color:var(--danger);font-size:13px;text-align:center;min-height:18px;margin-top:12px}
.muted-note{color:var(--muted-2);font-size:12px;text-align:center;margin-top:18px;line-height:1.5}

/* ---------- главная ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:calc(env(safe-area-inset-top) + 14px) 18px 14px;
  position:sticky;top:0;background:linear-gradient(180deg,var(--bg),rgba(10,12,16,.6));backdrop-filter:blur(8px);z-index:5}
.me{display:flex;align-items:center;gap:10px}
.me .avatar{cursor:pointer;transition:transform .12s var(--ease)}
.me .avatar:active{transform:scale(.94)}

/* модалка профиля */
.modal{position:fixed;inset:0;z-index:60;background:rgba(5,7,10,.62);backdrop-filter:blur(5px);
  display:flex;align-items:center;justify-content:center;padding:24px;animation:fade .2s var(--ease)}
.modal-card{width:100%;max-width:360px;background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow)}
.modal-card .big-ava{width:88px;height:88px;border-radius:26px;display:grid;place-items:center;
  font-size:34px;font-weight:680;margin:0 auto 14px}
.modal-card h2{margin:0 0 18px;font-size:18px;font-weight:680;text-align:center}
.modal-actions{display:flex;gap:10px;margin-top:16px}
.modal-actions .btn{flex:1}

/* приветственная инструкция */
.modal-card .lead{color:var(--muted);font-size:14px;text-align:center;margin:0 0 18px;line-height:1.55}
.wsteps{display:flex;flex-direction:column;gap:14px;text-align:left;margin-bottom:4px}
.wstep{display:flex;gap:12px;align-items:flex-start}
.wstep .num{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-weight:700;font-size:13px;background:var(--accent-soft);color:var(--accent)}
.wstep.done .num{background:var(--call);color:#04231a}
.wstep .wt{font-weight:640;font-size:15px}
.wstep .wd{color:var(--muted);font-size:13px;line-height:1.5;margin-top:2px}
.icon-btn{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--muted);
  background:var(--surface-2);border:1px solid var(--line);transition:.15s var(--ease)}
.icon-btn:hover{color:var(--text);border-color:var(--line-2)}
main.home{flex:1;max-width:560px;width:100%;margin:0 auto;padding:8px 16px calc(78px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:18px}

/* нижний бар (как в тг) */
.bottomnav{position:fixed;left:0;right:0;bottom:0;display:flex;z-index:6;
  background:linear-gradient(0deg,var(--bg) 55%,rgba(10,12,16,.86));backdrop-filter:blur(12px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.navbtn{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 0 7px;
  background:none;color:var(--muted-2);transition:color .15s var(--ease)}
.navbtn svg{width:24px;height:24px}
.navbtn span{font-size:11px;font-weight:600}
.navbtn.active{color:var(--accent)}

/* список чатов */
.chatlist{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.chatrow{display:flex;align-items:center;gap:13px;padding:12px 14px;cursor:pointer;border-bottom:1px solid var(--line);transition:background .12s var(--ease)}
.chatrow:last-child{border-bottom:none}
.chatrow:active{background:var(--surface-2)}
.chatrow .crmid{flex:1;min-width:0}
.chatrow .crname{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chatrow .crprev{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}
.chatrow .crright{display:flex;flex-direction:column;align-items:flex-end;gap:5px;flex:none}
.chatrow .crtime{font-size:11px;color:var(--muted-2)}

/* профиль */
.profhead{text-align:center;padding:14px 0 6px}
.profhead .big-ava{width:88px;height:88px;border-radius:26px;display:grid;place-items:center;font-size:34px;font-weight:680;margin:0 auto 12px}
.profhead .pn{font-size:21px;font-weight:700}
.profhead .pu{color:var(--muted);font-size:13px;margin-top:2px}
.btn-danger{color:var(--danger)!important;border-color:var(--danger-soft)!important}

.invite-card{background:linear-gradient(135deg,rgba(55,227,164,.12),rgba(55,227,164,.03));
  border:1px solid rgba(55,227,164,.25);border-radius:var(--r);padding:18px}
.invite-card h2{margin:0 0 4px;font-size:16px;font-weight:660}
.invite-card p{margin:0 0 14px;color:var(--muted);font-size:13px;line-height:1.5}

.section-h{display:flex;align-items:center;justify-content:space-between;padding:2px 4px;margin-top:4px}
.section-h span{font-size:12px;letter-spacing:.7px;text-transform:uppercase;color:var(--muted-2);font-weight:600}

.contact{display:flex;align-items:center;gap:14px;padding:12px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line);transition:.15s var(--ease)}
.contact:hover{border-color:var(--line-2);background:var(--surface-2)}
.avatar{width:46px;height:46px;flex:none;border-radius:14px;display:grid;place-items:center;
  font-weight:680;font-size:18px;color:var(--text);position:relative}
.avatar .pdot{position:absolute;right:-2px;bottom:-2px;width:13px;height:13px;border-radius:50%;
  border:2.5px solid var(--surface);background:var(--muted-2)}
.avatar .pdot.on{background:var(--call);box-shadow:0 0 8px var(--call)}
.contact .info{flex:1;min-width:0}
.contact .info .nm{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.contact .info .st{font-size:12px;color:var(--muted)}
.contact .info .st.on{color:var(--call)}
.call-btn{width:46px;height:46px;flex:none;border-radius:14px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);transition:.15s var(--ease)}
.call-btn:hover{background:var(--accent);color:var(--accent-ink)}
.call-btn[disabled]{background:var(--surface-3);color:var(--muted-2)}

.empty{text-align:center;color:var(--muted);padding:36px 16px;line-height:1.6;font-size:14px}
.empty .big{font-size:15px;color:var(--text);margin-bottom:4px}
.cbadge{min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--accent);color:var(--accent-ink);
  font-size:12px;font-weight:700;display:grid;place-items:center;flex:none}
.contact .avatar,.contact .info{cursor:pointer}

/* чат */
.chat-screen{position:fixed;inset:0;z-index:45;background:var(--bg);display:flex;flex-direction:column;animation:fade .2s var(--ease)}
.chat-head{display:flex;align-items:center;gap:11px;padding:calc(env(safe-area-inset-top) + 12px) 12px 12px;
  border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--surface-2),var(--surface))}
.chat-head .info{flex:1;min-width:0}
.chat-head .nm{font-weight:660;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-head .st{font-size:12px;color:var(--muted)} .chat-head .st.typing{color:var(--accent)}
.chat-body{flex:1;overflow-y:auto;padding:14px 12px 8px;display:flex;flex-direction:column;gap:5px}
.bubble{max-width:80%;padding:8px 12px;border-radius:16px;font-size:15px;line-height:1.35;word-break:break-word;white-space:pre-wrap}
.bubble.mine{align-self:flex-end;background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:5px}
.bubble.theirs{align-self:flex-start;background:var(--surface-3);color:var(--text);border-bottom-left-radius:5px}
.bubble .meta{font-size:10px;opacity:.65;margin-top:2px;display:flex;gap:4px;justify-content:flex-end;align-items:center}
.chat-input{display:flex;gap:8px;align-items:center;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);background:var(--surface)}
.chat-input input{flex:1;background:var(--surface-3);border:1px solid var(--line);color:var(--text);border-radius:20px;
  padding:11px 15px;font-size:16px;outline:none}
.chat-input input:focus{border-color:var(--accent)}
.chat-input .send{width:44px;height:44px;flex:none;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center}
.chat-input .send svg{width:20px;height:20px}
.chat-empty{margin:auto;color:var(--muted-2);font-size:14px;text-align:center;padding:0 24px;line-height:1.5}

/* ---------- звонок (оверлей) ---------- */
.call-overlay{position:fixed;inset:0;z-index:50;background:#05070a;display:flex;flex-direction:column;
  animation:fade .25s var(--ease)}
@keyframes fade{from{opacity:0}to{opacity:1}}
.call-stage{flex:1;position:relative;overflow:hidden}
.call-stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#05070a}
#remoteWrap{position:absolute;inset:0}
#localWrap{position:absolute;right:14px;top:calc(env(safe-area-inset-top) + 14px);width:104px;height:150px;border-radius:16px;overflow:hidden;
  border:1.5px solid rgba(255,255,255,.15);box-shadow:0 8px 24px rgba(0,0,0,.5);z-index:2}
#localWrap video{border-radius:16px}

.call-status{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:20px;text-align:center;padding:24px;z-index:3}
.call-status .big-ava{width:112px;height:112px;border-radius:34px;display:grid;place-items:center;
  font-size:44px;font-weight:680}
.call-status.ringing .big-ava{animation:pulse 1.6s var(--ease) infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 var(--accent-soft)}50%{box-shadow:0 0 0 22px transparent}}
.call-status .nm{font-size:24px;font-weight:700}
.call-status .hint{color:var(--muted);font-size:15px}

.call-controls{display:flex;align-items:center;justify-content:center;gap:18px;padding:22px 16px calc(22px + env(safe-area-inset-bottom));
  background:linear-gradient(0deg,rgba(0,0,0,.55),transparent);position:relative;z-index:3}
.ctrl{width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.12);
  color:#fff;transition:.15s var(--ease);backdrop-filter:blur(6px)}
.ctrl:hover{background:rgba(255,255,255,.2)}
.ctrl.off{background:#fff;color:#05070a}
.ctrl.hang{background:var(--danger)}.ctrl.hang:hover{filter:brightness(1.08)}
.ctrl.accept{background:var(--call);width:66px;height:66px}
.ctrl svg{width:26px;height:26px}

/* ---------- тост ---------- */
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:var(--surface-3);border:1px solid var(--line-2);color:var(--text);padding:11px 16px;border-radius:12px;
  font-size:14px;box-shadow:var(--shadow);animation:pop .2s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}