/* ============================================================
   Relik — раскладка на CSS Grid: экран входа, сетка приложения,
   сайдбар, каркас чата. Мобильная перестройка < 900px.
   ============================================================ */

/* ---------- Экран входа (премиальный сплит) ---------- */
.auth{position:relative;z-index:1;min-height:100dvh;display:grid;place-items:center;padding:clamp(12px,2.5vw,40px);overflow:auto}
.auth-shell{
  width:min(1060px,100%);display:grid;grid-template-columns:1.02fr .98fr;
  border:1px solid var(--line);border-radius:30px;overflow:hidden;
  background:var(--surface);box-shadow:0 50px 140px -50px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.02) inset;
  animation:fade-up .55s var(--ease);
}
.brand{
  position:relative;padding:clamp(28px,3.4vw,44px);display:grid;min-height:600px;overflow:hidden;
  background:
    linear-gradient(165deg,rgba(91,108,249,.12),transparent 42%),
    radial-gradient(120% 90% at 0% 100%,rgba(159,92,246,.10),transparent 60%),
    var(--surface-2);
  border-right:1px solid var(--line);
}
.brand-aurora{
  position:absolute;inset:-35%;pointer-events:none;
  background:
    radial-gradient(430px 330px at 28% 18%,rgba(78,127,255,.38),transparent 62%),
    radial-gradient(390px 310px at 82% 62%,rgba(159,92,246,.30),transparent 62%),
    radial-gradient(330px 270px at 18% 88%,rgba(62,207,142,.16),transparent 62%);
  filter:blur(46px);opacity:.9;animation:aurora 20s ease-in-out infinite alternate;
}
@keyframes aurora{
  0%{transform:translate3d(-2%,-2%,0) scale(1)}
  50%{transform:translate3d(2%,1.5%,0) scale(1.06)}
  100%{transform:translate3d(-1%,2%,0) scale(1.03)}
}
.brand-inner{position:relative;display:flex;flex-direction:column;gap:24px;height:100%}
.brand-mark{display:flex;align-items:center;gap:12px}
.brand-mark img{width:46px;height:46px;border-radius:14px;box-shadow:0 14px 36px -10px var(--accent-glow)}
.brand-mark span{font-weight:800;font-size:21px;letter-spacing:-.02em}
.brand-title{font-size:clamp(28px,3.2vw,42px);line-height:1.07;letter-spacing:-.035em;font-weight:800}
.brand-title br{display:block}
.brand-sub{color:var(--tx-2);max-width:36ch;font-size:14.5px;line-height:1.6}
.brand-feats{list-style:none;display:grid;gap:15px;margin-top:6px;padding:0}
.brand-feats li{display:flex;gap:12px;align-items:flex-start}
.bf-ic{
  width:40px;height:40px;border-radius:13px;flex:none;display:grid;place-items:center;
  background:rgba(255,255,255,.045);border:1px solid var(--line-2);color:var(--indigo);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.brand-feats b{display:block;font-size:13.5px;margin-bottom:1px}
.brand-feats span{font-size:12.5px;color:var(--tx-3);line-height:1.5}
.brand-foot{font-size:10.5px;color:var(--tx-3);letter-spacing:.08em;text-transform:uppercase;opacity:.8;margin-top:auto}
.panel{display:grid;place-items:center;padding:clamp(24px,3vw,44px);background:var(--surface)}
.auth-mobile-brand{display:none;align-items:center;gap:11px;width:min(420px,100%);margin:4px auto 0}
.auth-mobile-brand img{width:40px;height:40px;border-radius:12px;box-shadow:0 10px 26px -10px var(--accent-glow)}
.auth-mobile-brand div{display:grid;gap:1px}
.auth-mobile-brand span{font-weight:800;font-size:18px;letter-spacing:-.02em;line-height:1.1}
.auth-mobile-brand em{font-style:normal;font-size:11.5px;color:var(--tx-3)}
.auth-card{
  width:min(384px,100%);display:grid;gap:18px;text-align:left;
  background:transparent;border:0;box-shadow:none;padding:0;animation:none;
}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;background:var(--surface-2);border:1px solid var(--line);border-radius:14px}
.auth-tab{padding:9px 10px;border-radius:10px;font-size:13px;font-weight:600;color:var(--tx-3);transition:background var(--t-fast),color var(--t-fast),box-shadow var(--t-fast)}
.auth-tab:hover{color:var(--tx-2)}
.auth-tab.on{background:var(--surface-3);color:var(--tx);box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 1px 2px rgba(0,0,0,.2)}
.auth-welcome{font-style:italic;color:var(--indigo);font-size:13px;min-height:18px;margin:-6px 0 0;letter-spacing:.01em}
.auth-form{width:100%;display:grid;gap:14px}
.input-wrap{position:relative}
.input-wrap .in-ic{position:absolute;left:13px;top:50%;translate:0 -50%;color:var(--tx-3);display:grid;pointer-events:none}
.input-wrap .input{padding-left:40px;padding-right:44px;border-radius:13px;background:var(--surface-2);border-color:var(--line)}
.input-wrap .input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.pass-toggle{position:absolute;right:6px;top:50%;translate:0 -50%;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;color:var(--tx-3);transition:background var(--t-fast),color var(--t-fast)}
.pass-toggle:hover{background:var(--surface-3);color:var(--tx)}
.auth-cta{width:100%;position:relative;padding:12px 18px}
.auth-cta::after{content:"→";margin-left:8px;transition:transform var(--t-fast)}
.auth-cta:hover::after{transform:translateX(3px)}
.auth-forgot{align-self:flex-start;justify-self:start;font-size:11.5px;color:var(--tx-3);background:none;border:0;padding:0;cursor:pointer;transition:color var(--t-fast);margin-top:-4px}
.auth-forgot:hover{color:var(--indigo)}
.auth-trust{display:flex;gap:9px;align-items:flex-start;font-size:11.5px;line-height:1.5;color:var(--tx-3);border-top:1px solid var(--line);padding-top:14px}
.auth-trust .trust-ic{color:var(--ok);display:grid;flex:none}
.auth-note{font-size:11px;color:var(--tx-3);line-height:1.5;max-width:38ch}
.auth-legal{font-size:11px;color:var(--tx-3);text-decoration:underline;text-underline-offset:2px;align-self:flex-start}
.auth-legal:hover{color:var(--tx-2)}
.consent{display:grid;gap:4px;margin:2px 0 4px}
.consent-row{display:flex;gap:8px;align-items:flex-start;font-size:11.5px;color:var(--tx-2);line-height:1.45;cursor:pointer}
.consent-row input{margin:1px 0 0;width:15px;height:15px;flex:none;accent-color:var(--accent)}
.auth-demo{
  display:flex;align-items:center;gap:10px;padding:11px 14px;
  border:1px dashed var(--line-2);border-radius:14px;color:var(--tx-2);
  font-size:var(--fs-sm);font-weight:600;text-decoration:none;
  transition:border-color var(--t-fast),background var(--t-fast),color var(--t-fast);
}
.auth-demo:hover{border-color:var(--accent-glow);background:var(--accent-soft);color:var(--tx)}
.auth-demo .ad-ic{display:grid;color:var(--indigo)}
.auth-demo .ad-arrow{margin-left:auto;color:var(--indigo);transition:transform var(--t-fast)}
.auth-demo:hover .ad-arrow{transform:translateX(3px)}
.auth-card.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}

@media (max-width:900px){
  .auth{padding:0}
  .auth-shell{grid-template-columns:1fr;border-radius:0;min-height:100dvh;border:0;box-shadow:none;background:var(--bg)}
  .brand{display:none}
  .panel{padding:22px 16px 32px;align-content:start;gap:18px}
  .auth-mobile-brand{display:flex;align-items:center;gap:11px;width:min(420px,100%);margin:4px auto 0}
  .auth-mobile-brand img{width:40px;height:40px;border-radius:12px;box-shadow:0 10px 26px -10px var(--accent-glow)}
  .auth-mobile-brand div{display:grid;gap:1px}
  .auth-mobile-brand span{font-weight:800;font-size:18px;letter-spacing:-.02em;line-height:1.1}
  .auth-mobile-brand em{font-style:normal;font-size:11.5px;color:var(--tx-3)}
  .auth-card{
    width:min(420px,100%);padding:20px;border:1px solid var(--line);border-radius:22px;
    background:var(--surface);box-shadow:var(--sh-2);
  }
}

/* ---------- Авто-раскладка под устройство (телефон / планшет / компьютер) ---------- */
html[data-device="desktop"] .app{grid-template-columns:var(--sidebar-w) 1fr}
html[data-device="desktop"] .sidebar{display:grid!important}
html[data-device="desktop"] .chat{display:grid!important}
html[data-device="desktop"] .back-btn{display:none!important}
html[data-device="desktop"] .msg{max-width:min(72%,720px)}
html[data-device="desktop"] .auth-shell{grid-template-columns:1.02fr .98fr}
html[data-device="desktop"] .brand{display:grid!important}
html[data-device="desktop"] .auth-mobile-brand{display:none!important}
html[data-device="desktop"] .auth-card{background:transparent;border:0;box-shadow:none;padding:0}

html[data-device="tablet"] .app{grid-template-columns:min(260px,34vw) 1fr}
html[data-device="tablet"] .sidebar{display:grid!important}
html[data-device="tablet"] .chat{display:grid!important}
html[data-device="tablet"] .back-btn{display:none!important}
html[data-device="tablet"] .msg{max-width:min(80%,640px)}
html[data-device="tablet"] .auth-shell{grid-template-columns:1fr;border-radius:0;min-height:100dvh;border:0;box-shadow:none;background:var(--bg)}
html[data-device="tablet"] .brand{display:none!important}
html[data-device="tablet"] .auth-mobile-brand{display:flex!important}
html[data-device="tablet"] .auth-card{width:min(460px,100%);padding:22px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--sh-2)}
html[data-device="tablet"] .panel{padding:24px 18px}

html[data-device="phone"] .app{grid-template-columns:1fr}
html[data-device="phone"] .back-btn{display:grid!important}
html[data-device="phone"] .chat{display:none}
html[data-device="phone"] .app.pane-chat .chat{display:grid!important;animation:slide-in-right .24s var(--ease)}
html[data-device="phone"] .app.pane-chat .sidebar{display:none!important}
html[data-device="phone"] .sidebar{display:grid;border-right:0}
html[data-device="phone"] .msg{max-width:min(88%,540px)}
html[data-device="phone"] .auth-shell{grid-template-columns:1fr;border-radius:0;min-height:100dvh;border:0;box-shadow:none;background:var(--bg)}
html[data-device="phone"] .brand{display:none!important}
html[data-device="phone"] .auth-mobile-brand{display:flex!important}
html[data-device="phone"] .auth-card{width:min(420px,100%);padding:20px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--sh-2)}
html[data-device="phone"] .panel{padding:22px 16px 32px;align-content:start;gap:18px}

/* Телефон: шапка, лента и композер не должны уезжать за край экрана */
html[data-device="phone"] .chat-head{gap:2px;padding:calc(8px + env(safe-area-inset-top)) 8px 8px;background:var(--bg)}
html[data-device="phone"] .chat-head .icon-btn{width:44px;height:44px;flex:none}
html[data-device="phone"] #shareBtn,
html[data-device="phone"] #infoBtn{display:none!important}
html[data-device="phone"] .chat-head .who{padding:2px 4px;gap:8px}
html[data-device="phone"] .chat-head .who .n{font-size:14px}
html[data-device="phone"] .chat-head .who .s{font-size:11px}
html[data-device="phone"] .msgs{padding:12px 10px 8px}
html[data-device="phone"] .composer{padding:8px 10px calc(10px + env(safe-area-inset-bottom))}
html[data-device="phone"] .composer-row{gap:2px;padding:6px 7px;border-radius:18px;min-height:48px}
html[data-device="phone"] .composer-row .icon-btn{width:44px;height:44px}
html[data-device="phone"] .send-btn{width:44px;height:44px}
html[data-device="phone"] .attach-menu{max-width:calc(100vw - 32px)}
html[data-device="phone"] .empty::before{width:320px;height:320px}

/* ---------- Сетка приложения ---------- */
.app{position:relative;z-index:1;height:100dvh;display:grid;grid-template-columns:var(--sidebar-w) 1fr}

/* ---------- Сайдбар ---------- */
.sidebar{
  background:var(--surface);border-right:1px solid var(--line);
  display:grid;grid-template-rows:auto auto auto 1fr auto;min-height:0;min-width:0;
}
.side-head{display:flex;align-items:center;gap:var(--s2);padding:15px 14px 10px}
.side-logo{display:flex;align-items:center;gap:10px;flex:1;min-width:0;cursor:pointer;border-radius:12px;padding:4px 6px 4px 0}
.side-logo img{width:32px;height:32px;border-radius:10px;box-shadow:0 8px 22px -10px var(--accent-glow)}
.side-logo b{font-size:17.5px;font-weight:800;letter-spacing:-.02em}
.side-actions{display:flex;align-items:center;gap:1px;flex:none}
.side-actions .icon-btn{width:34px;height:34px}
.icon-btn.has-badge{position:relative}
.dot-badge{
  position:absolute;top:1px;right:1px;min-width:15px;height:15px;padding:0 4px;
  border-radius:var(--r-full);background:var(--accent);color:#fff;
  font-size:9.5px;font-weight:700;line-height:15px;text-align:center;
  box-shadow:0 0 0 2px var(--surface-1,#0e0f16);pointer-events:none;
}
.icon-btn.has-requests{color:var(--accent)}
.side-search{padding:4px 14px 12px;position:relative}
.side-search .input{padding:9px 54px 9px 38px;font-size:var(--fs-sm)}
.side-search .search-ic-btn{
  position:absolute;left:23px;top:50%;translate:0 -50%;
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  color:var(--tx-3);transition:color var(--t-fast),background var(--t-fast);
}
.side-search .search-ic-btn:hover{color:var(--tx);background:var(--surface-3)}
.side-search .search-ic .ic{display:block}
.side-search .search-kbd{
  position:absolute;right:22px;top:50%;translate:0 -50%;
  font:inherit;font-size:10px;font-weight:600;line-height:1;color:var(--tx-3);
  background:var(--surface-3);border:1px solid var(--line-2);border-radius:6px;
  padding:3px 6px;transition:color var(--t-fast),opacity var(--t-fast);
}
.side-search .search-kbd:hover{color:var(--tx)}
.side-search:focus-within .search-kbd,
.side-search .input:not(:placeholder-shown) ~ .search-kbd{opacity:0;pointer-events:none}
html[data-device="phone"] .side-search .search-kbd{display:none}
html[data-device="phone"] .side-search .input{padding-right:12px}

.side-list{overflow-y:auto;min-height:0;padding:2px 8px 10px;display:grid;gap:2px;align-content:start}
.chat-item{
  position:relative;
  display:grid;grid-template-columns:min-content 1fr min-content;gap:11px;align-items:center;
  padding:10px 11px;border-radius:14px;text-align:left;width:100%;
  user-select:none;-webkit-touch-callout:none;
  transition:background var(--t-fast),transform var(--t-fast);
}
.chat-item::before{
  content:"";position:absolute;left:0;top:22%;bottom:22%;width:3px;border-radius:3px;
  background:var(--grad);opacity:0;transition:opacity var(--t-fast);
}
.chat-item:hover{background:var(--surface-2);transform:translateX(1px)}
.chat-item.active{background:var(--surface-3)}
.chat-item.active::before{opacity:1}
.ci-main{display:grid;gap:3px;min-width:0}
.ci-top{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.ci-name{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ci-flag{display:inline-grid;place-items:center;margin-left:5px;color:var(--tx-3);vertical-align:-2px}
.ci-flag.pin{color:var(--indigo)}
.ci-flag.mute{color:var(--tx-3)}
.ci-time{font-size:10.5px;color:var(--tx-3);flex:none;font-variant-numeric:tabular-nums}
.ci-bottom{display:flex;justify-content:space-between;gap:8px;align-items:center;min-width:0}
.ci-preview{font-size:12.5px;color:var(--tx-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.ci-preview.draft{color:var(--accent)}
.ci-preview.draft .who{color:var(--accent);opacity:.75}
.ci-preview .who{display:inline;flex:none;min-width:0;gap:0;padding:0;margin:0;border-radius:0;cursor:inherit;transition:none;color:var(--tx-3)}
.ci-side{position:relative;display:grid;gap:5px;justify-items:end;min-height:20px;padding-right:2px}
.ci-more{
  position:absolute;right:-4px;bottom:-3px;
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  color:var(--tx-3);background:var(--surface-2);opacity:0;pointer-events:none;
  transition:opacity var(--t-fast),background var(--t-fast),color var(--t-fast);
}
.chat-item:hover .ci-more,.chat-item:focus-within .ci-more{opacity:1;pointer-events:auto}
.ci-more:hover{background:var(--surface-3);color:var(--tx)}
.chat-item.pinned{background:linear-gradient(90deg,var(--accent-soft),transparent 58%)}
.chat-item.pinned:hover{background:linear-gradient(90deg,var(--accent-soft),var(--surface-2) 70%)}
.chat-item.pinned .ci-time{color:var(--tx-2)}
@media (hover:none){
  .ci-more{opacity:.75;pointer-events:auto;background:transparent;right:-6px}
}

.side-foot{display:flex;align-items:center;gap:4px;padding:10px 10px;border-top:1px solid var(--line)}
.me-chip{display:flex;align-items:center;gap:10px;flex:1;min-width:0;padding:6px 8px;border-radius:12px;text-align:left;transition:background var(--t-fast)}
.me-chip:hover{background:var(--surface-2)}
.me-chip .info{display:grid;gap:1px;min-width:0}
.me-chip .name{font-weight:600;font-size:var(--fs-sm);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.me-chip .mail{font-size:var(--fs-2xs);color:var(--tx-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.side-empty{display:grid;justify-items:center;gap:6px;text-align:center;padding:38px 18px;color:var(--tx-3)}
.side-empty .se-ic{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--line);color:var(--indigo);margin-bottom:4px}
.side-empty b{font-size:13.5px;color:var(--tx-2);font-weight:600}
.side-empty span:last-child{font-size:12px;line-height:1.5;max-width:24ch}

/* ---------- Каркас чата ---------- */
.chat{display:grid;min-width:0;min-height:0;position:relative;background:var(--bg)}
.chat-inner{display:grid;grid-template-rows:auto 1fr auto;min-height:0;min-width:0;width:100%;height:100dvh;overflow:hidden;position:relative}
.empty{display:grid;place-items:center;align-content:center;gap:12px;height:100%;text-align:center;padding:24px;animation:fade .4s;position:relative;overflow:hidden}
.empty::before{content:"";position:absolute;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle,var(--accent-soft),transparent 65%);filter:blur(20px);opacity:.7}
.empty>*{position:relative}
.empty img{width:96px;height:96px;border-radius:26px;filter:drop-shadow(0 18px 40px rgba(91,108,249,.35))}
.empty h2{font-size:var(--fs-xl);font-weight:700;letter-spacing:-.01em}
.empty p{color:var(--tx-2);max-width:38ch}
.empty .chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:6px}

.chat-head{
  display:flex;align-items:center;gap:10px;
  padding:10px max(14px, calc((100% - 940px)/2));
  border-bottom:1px solid var(--line);background:var(--surface);backdrop-filter:blur(14px);
  position:relative;z-index:5;
}
.chat-head .who{flex:1;min-width:0;display:flex;align-items:center;gap:11px;cursor:pointer;border-radius:12px;padding:4px 8px 4px 4px;text-align:left;transition:background var(--t-fast)}
.chat-head .who:hover{background:var(--surface-2)}
.chat-head .who .info{display:grid;gap:1px;min-width:0}
.chat-head .who .n{font-weight:600;font-size:var(--fs-md);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-head .who .s{font-size:var(--fs-xs);color:var(--tx-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-head .who .s.online{color:var(--ok)}
.back-btn{display:none}

/* ---------- Мобильная перестройка (как в Telegram) ---------- */
@media (max-width:900px){
  .app{grid-template-columns:1fr;overflow:hidden}
  .back-btn{display:grid}
  .chat{display:none}
  .app.pane-chat .chat{display:grid;animation:slide-in-right .24s var(--ease)}
  .app.pane-chat .sidebar{display:none}
  @keyframes slide-in-right{from{transform:translateX(26px);opacity:.5}to{transform:none;opacity:1}}
}

/* ---------- Плашка сети ---------- */
.net-bar{
  position:fixed;left:50%;top:calc(10px + env(safe-area-inset-top));translate:-50% 0;
  z-index:125;display:flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-full);
  background:var(--raise);border:1px solid var(--line-2);color:var(--tx-2);
  font-size:var(--fs-xs);font-weight:600;box-shadow:var(--sh-pop);
  animation:net-in .25s var(--ease);max-width:calc(100vw - 24px);
}
.net-bar[hidden]{display:none!important}
.net-bar .nb-ic{display:grid;color:var(--warn)}
.net-bar.ok .nb-ic{color:var(--ok)}
.net-bar.bad{border-color:rgba(249,106,106,.35)}
.net-bar.bad .nb-ic{color:var(--bad)}
@keyframes net-in{from{opacity:0;translate:-50% -8px}to{opacity:1;translate:-50% 0}}

/* ---------- Папки чатов ---------- */
.folder-row{display:flex;align-items:center;min-height:0;align-self:start;gap:4px;overflow-x:auto;padding:0 10px 8px;scrollbar-width:none}
.folder-row::-webkit-scrollbar{display:none}
.folder-chip{flex:none;padding:4px 8px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface-2);color:var(--tx-3);font-size:10.5px;font-weight:600;white-space:nowrap}
.folder-chip:hover{color:var(--tx);border-color:var(--line-2)}
.folder-chip.on{color:var(--tx);background:var(--accent-soft);border-color:var(--accent-glow)}

.auth-server{margin-top:6px;font-size:11.5px;color:var(--tx-3);text-align:center}
.auth-server.bad{color:#e08a8d}