/* IBA chat web client. Colors are tokens on :root, redefined for dark mode. */
:root{
  --bg:#f4f5f2;
  --surface:#ffffff;
  --surface-2:#eef1ed;
  --border:#dde3dc;
  --border-strong:#c4cdc3;
  --text:#17201b;
  --text-muted:#5b6a61;
  --text-faint:#8a978f;
  --accent:#0b6b53;
  --accent-strong:#085a45;
  --accent-soft:#e1f1ea;
  --on-accent:#ffffff;
  --mine:#dcefe5;
  --mine-text:#10251c;
  --theirs:#ffffff;
  --danger:#c2353b;
  --danger-soft:#fbe9ea;
  --warning:#b26a00;
  --shadow:0 1px 2px rgba(16,32,24,.06),0 4px 16px rgba(16,32,24,.06);
  --shadow-lg:0 12px 40px rgba(16,32,24,.18);
  --radius:14px;
  --radius-sm:10px;
  --on-avatar:#ffffff;
  --a0:#0b6b53;--a1:#2463b3;--a2:#9a3db8;--a3:#b8540f;--a4:#0f7c8c;--a5:#b02a5b;--a6:#5a6b12;--a7:#6245c9;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0e1311;--surface:#151c19;--surface-2:#1c2521;--border:#26312c;--border-strong:#34423b;
    --text:#e6ece8;--text-muted:#a1b0a7;--text-faint:#74837a;
    --accent:#3fbf93;--accent-strong:#5fd3aa;--accent-soft:#163128;--on-accent:#06130e;
    --mine:#1b3a2e;--mine-text:#e6f3ec;--theirs:#1a2320;
    --danger:#ff6b70;--danger-soft:#3a1a1c;--warning:#f0a53a;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 4px 16px rgba(0,0,0,.25);--shadow-lg:0 12px 40px rgba(0,0,0,.5);
    --a0:#4fd1a5;--a1:#7cb0ff;--a2:#d48af0;--a3:#ffa45c;--a4:#4fd0e0;--a5:#ff7aa8;--a6:#b8d45a;--a7:#a993ff;--on-avatar:#0b1410;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0e1311;--surface:#151c19;--surface-2:#1c2521;--border:#26312c;--border-strong:#34423b;
  --text:#e6ece8;--text-muted:#a1b0a7;--text-faint:#74837a;
  --accent:#3fbf93;--accent-strong:#5fd3aa;--accent-soft:#163128;--on-accent:#06130e;
  --mine:#1b3a2e;--mine-text:#e6f3ec;--theirs:#1a2320;
  --danger:#ff6b70;--danger-soft:#3a1a1c;--warning:#f0a53a;
  --a0:#4fd1a5;--a1:#7cb0ff;--a2:#d48af0;--a3:#ffa45c;--a4:#4fd0e0;--a5:#ff7aa8;--a6:#b8d45a;--a7:#a993ff;--on-avatar:#0b1410;
  color-scheme:dark;
}

*{box-sizing:border-box}
html,body,#app{height:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;
}
h1,h2,h3{margin:0;line-height:1.25}
h1{font-size:22px}h2{font-size:17px}h3{font-size:16px}
p{margin:0}
a{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}
.muted{color:var(--text-muted)}
.small{font-size:13px}
.pad{padding:16px}
.error{color:var(--danger);font-size:14px}
.error:empty{display:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Buttons */
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;
  border-radius:999px;border:1px solid var(--border-strong);background:var(--surface);cursor:pointer;
  font-weight:600;text-decoration:none;transition:background .15s,border-color .15s;
}
.button:hover{background:var(--surface-2)}
.button:disabled{opacity:.55;cursor:default}
.button.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.button.primary:hover{background:var(--accent-strong)}
.button.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.button.ghost{background:transparent}
.button.danger-ghost{background:transparent;color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,transparent)}
.button.danger-ghost:hover{background:var(--danger-soft)}
.button.small{min-height:34px;padding:0 13px;font-size:13px}
.button.wide{width:100%}
.link{background:none;border:0;color:var(--accent);cursor:pointer;padding:0;font-size:13px}
.icon{display:inline-grid;place-items:center;width:20px;height:20px;flex:none}
.icon svg{width:100%;height:100%}
.icon-button{
  display:inline-grid;place-items:center;width:40px;height:40px;flex:none;padding:0;border-radius:50%;
  border:0;background:transparent;color:var(--text-muted);cursor:pointer;transition:background .15s,color .15s;
}
.icon-button:hover{background:var(--surface-2);color:var(--text)}
.icon-button:disabled{opacity:.45;cursor:default}
.icon-button.toggle[aria-pressed="true"]{color:var(--accent);background:var(--accent-soft)}
.primary-round{background:var(--accent);color:var(--on-accent)}
.primary-round:hover{background:var(--accent-strong);color:var(--on-accent)}

/* Forms */
.form{display:flex;flex-direction:column;gap:14px;margin-top:18px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--text-muted)}
.form label.check{flex-direction:row;align-items:center;gap:10px;color:var(--text)}
input[type=text],input[type=email],input[type=password],input[type=search],select{
  width:100%;min-height:44px;padding:10px 14px;border-radius:var(--radius-sm);
  border:1px solid var(--border-strong);background:var(--surface);color:var(--text);
}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--accent) 45%,transparent);outline-offset:0;border-color:var(--accent)}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent)}

/* Sign-in */
.center-screen{min-height:100%;display:grid;place-items:center;padding:24px 16px}
.auth-card{
  width:min(420px,100%);background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:28px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
}
.auth-card h1{margin-top:10px}
.auth-card>.button{margin-top:12px}
.auth-links{margin-top:14px;font-size:14px;color:var(--text-muted);text-align:center}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--accent);color:var(--on-accent);
  font-weight:800;font-size:12px;letter-spacing:.04em;
}
.brand-name{font-weight:700;font-size:18px}

/* Layout */
.shell{display:grid;grid-template-columns:320px minmax(0,1fr);height:100dvh;overflow:hidden}
.sidebar{display:flex;flex-direction:column;min-height:0;min-width:0;background:var(--surface);border-right:1px solid var(--border)}
.side-header{padding:16px 18px;border-bottom:1px solid var(--border)}
.side-footer{border-top:1px solid var(--border);padding:8px;display:flex;flex-direction:column;gap:2px}
.side-link{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--radius-sm);
  color:var(--text);text-decoration:none;font-weight:500;
}
.side-link:hover{background:var(--surface-2)}
.side-link.active{background:var(--accent-soft);color:var(--accent)}
.side-link .count{margin-left:auto}
.main{min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--bg)}
.placeholder{flex:1;display:grid;place-items:center;text-align:center;padding:24px}
.placeholder p{margin-top:8px;max-width:360px}
.only-mobile{display:none}
@media (max-width:760px){
  .shell{grid-template-columns:minmax(0,1fr)}
  .shell[data-view="list"] .main{display:none}
  .shell[data-view="detail"] .sidebar{display:none}
  .only-mobile{display:inline-grid}
}

/* Room list */
.room-list{flex:1;overflow-y:auto;padding:6px}
.room-item{
  display:flex;gap:12px;align-items:center;padding:10px;border-radius:12px;color:var(--text);text-decoration:none;
}
.room-item:hover{background:var(--surface-2)}
.room-item.active{background:var(--accent-soft)}
.room-icon{
  display:grid;place-items:center;width:44px;height:44px;flex:none;border-radius:14px;
  background:var(--surface-2);color:var(--accent);font-weight:700;font-size:17px;border:1px solid var(--border);
}
.room-item.active .room-icon{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.room-item-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.room-item-top,.room-item-bottom{display:flex;align-items:center;gap:8px}
.room-item-name{flex:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.room-item-time{font-size:12px;color:var(--text-faint)}
.room-item-preview{flex:1;font-size:13.5px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.room-item.unread .room-item-preview{color:var(--text)}
.count{
  min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--accent);color:var(--on-accent);
  font-size:12px;font-weight:700;display:inline-grid;place-items:center;
}

/* Avatars */
.avatar{
  display:grid;place-items:center;width:36px;height:36px;flex:none;border-radius:50%;
  color:var(--on-avatar);font-size:13px;font-weight:700;letter-spacing:.02em;background:var(--c,var(--a0));
}
.avatar.small{width:28px;height:28px;font-size:11px}
.c0{--c:var(--a0)}.c1{--c:var(--a1)}.c2{--c:var(--a2)}.c3{--c:var(--a3)}.c4{--c:var(--a4)}.c5{--c:var(--a5)}.c6{--c:var(--a6)}.c7{--c:var(--a7)}
.avatar-space{width:36px;flex:none}

/* Room */
.room,.admin,.profile{flex:1;min-height:0;display:flex;flex-direction:column;position:relative}
.room-header{
  display:flex;align-items:center;gap:6px;padding:10px 12px 10px 18px;min-height:64px;
  background:var(--surface);border-bottom:1px solid var(--border);
}
.room-heading{flex:1;min-width:0}
.room-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.room-sub{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.log-wrap{flex:1;min-height:0;position:relative;display:flex;flex-direction:column}
.log{flex:1;min-height:0;overflow-y:auto;padding:12px 16px 16px;display:flex;flex-direction:column;gap:2px;overscroll-behavior:contain}
.log-empty{position:absolute;inset:0;display:grid;place-content:center;text-align:center;gap:6px;padding:24px;pointer-events:none}
.log-status{font-size:13px;color:var(--text-muted);padding:0 16px}
.log-status:empty{display:none}
.older{align-self:center;margin:10px 0 0;border:0;background:var(--surface-2);color:var(--text-muted);border-radius:999px;padding:6px 14px;cursor:pointer;font-size:13px}
.jump{
  position:absolute;right:16px;bottom:12px;display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;
  border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);cursor:pointer;font-size:13px;font-weight:600;
}
.day{display:flex;justify-content:center;margin:14px 0 8px}
.day span{font-size:12px;font-weight:600;color:var(--text-muted);background:var(--surface-2);padding:3px 10px;border-radius:999px}

/* Messages */
.msg{display:flex;align-items:flex-end;gap:8px;margin-top:8px;position:relative;max-width:100%}
.msg.compact{margin-top:2px}
.msg.mine{flex-direction:row-reverse}
.bubble{
  max-width:min(560px,78%);background:var(--theirs);border:1px solid var(--border);
  border-radius:16px 16px 16px 6px;padding:7px 11px 5px;box-shadow:0 1px 1px rgba(0,0,0,.03);min-width:0;
}
.msg.compact .bubble{border-radius:6px 16px 16px 6px}
.msg.mine .bubble{background:var(--mine);color:var(--mine-text);border-color:transparent;border-radius:16px 16px 6px 16px}
.msg.mine.compact .bubble{border-radius:16px 6px 6px 16px}
.author{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--c);margin-bottom:2px}
.badge{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--accent);background:var(--accent-soft);padding:1px 6px;border-radius:6px}
.text{white-space:pre-wrap;overflow-wrap:anywhere}
.text a{color:inherit;text-decoration:underline}
.deleted-text{font-style:italic;color:var(--text-faint)}
.meta{display:flex;justify-content:flex-end;gap:6px;font-size:11.5px;color:var(--text-faint);margin-top:1px}
.msg.mine .meta{color:color-mix(in srgb,var(--mine-text) 55%,transparent)}
.msg-more{width:30px;height:30px;opacity:0;align-self:center}
.msg:hover .msg-more,.msg-more:focus-visible{opacity:1}
@media (hover:none){.msg-more{opacity:.6}}
.image-attachment{display:block;padding:0;border:0;background:none;cursor:zoom-in;margin:3px 0}
.image-attachment img{display:block;max-width:100%;max-height:320px;border-radius:10px;min-width:120px;min-height:80px;background:var(--surface-2)}
.file-attachment,.chip{
  display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;margin:3px 0;border-radius:10px;
  border:1px solid var(--border);background:var(--surface-2);cursor:pointer;text-align:left;
}
.file-name{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}
.file-size{font-size:12px;color:var(--text-muted)}

/* Voice notes */
.voice-note{display:flex;align-items:center;gap:10px;min-width:220px;padding:4px 0}
.voice-play{
  display:grid;place-items:center;width:38px;height:38px;flex:none;border-radius:50%;border:0;cursor:pointer;
  background:var(--accent);color:var(--on-accent);
}
.voice-play .icon{width:16px;height:16px}
.voice-note.loading .voice-play{opacity:.6}
.voice-bar{flex:1;height:6px;border-radius:3px;background:color-mix(in srgb,var(--text) 15%,transparent);cursor:pointer;overflow:hidden}
.voice-fill{display:block;height:100%;width:0;background:var(--accent);border-radius:3px;transition:width .2s linear}
.voice-time{font-size:12px;color:var(--text-muted);font-variant-numeric:tabular-nums;min-width:34px;text-align:right}

/* Composer */
.edit-bar{display:flex;align-items:center;justify-content:space-between;padding:4px 8px 4px 18px;background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:600}
.chips{display:flex;flex-direction:column;gap:4px;padding:6px 12px 0;background:var(--surface)}
.chips:empty{display:none}
.chip{cursor:default;margin:0}
.chip.failed{border-color:var(--danger)}
.chip .icon-button{width:30px;height:30px}
.composer{
  display:flex;align-items:flex-end;gap:6px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));
  background:var(--surface);border-top:1px solid var(--border);
}
.composer-input{
  flex:1;resize:none;min-height:42px;max-height:160px;padding:10px 14px;border-radius:21px;overflow-y:hidden;
  border:1px solid var(--border-strong);background:var(--bg);line-height:1.4;
}
.composer .primary-round{width:42px;height:42px}
.mic{touch-action:none;user-select:none;-webkit-user-select:none}
.mic.recording{background:var(--danger);transform:scale(1.18);box-shadow:0 0 0 8px color-mix(in srgb,var(--danger) 20%,transparent)}
.mic.recording.cancel{background:var(--text-faint)}
.record-bar{flex:1;display:flex;align-items:center;gap:10px;min-height:42px;padding:0 6px}
.rec-dot{width:10px;height:10px;border-radius:50%;background:var(--danger);animation:pulse 1s infinite}
.rec-time{font-variant-numeric:tabular-nums;font-weight:600}
.rec-hint{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@keyframes pulse{50%{opacity:.25}}
.room.dragging::after{
  content:'Отпустите, чтобы прикрепить';position:absolute;inset:8px;display:grid;place-items:center;
  border:2px dashed var(--accent);border-radius:var(--radius);background:color-mix(in srgb,var(--accent) 8%,var(--bg));
  color:var(--accent);font-weight:600;pointer-events:none;
}

/* Menu, dialogs, toast */
.menu{
  position:fixed;z-index:50;min-width:160px;padding:6px;border-radius:12px;background:var(--surface);
  border:1px solid var(--border);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;
}
.menu button{border:0;background:none;text-align:left;padding:9px 12px;border-radius:8px;cursor:pointer}
.menu button:hover,.menu button:focus-visible{background:var(--surface-2)}
.danger-text{color:var(--danger)}
.dialog{
  border:1px solid var(--border);border-radius:18px;background:var(--surface);color:var(--text);
  padding:22px;width:min(400px,calc(100vw - 32px));box-shadow:var(--shadow-lg);
}
.dialog::backdrop{background:rgba(0,0,0,.35)}
.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}
.drawer{padding:0;width:min(420px,calc(100vw - 32px));max-height:min(640px,calc(100dvh - 40px))}
.drawer-header{display:flex;align-items:center;justify-content:space-between;padding:12px 10px 12px 20px;border-bottom:1px solid var(--border)}
.toast{
  position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom));transform:translate(-50%,20px);z-index:60;
  max-width:min(460px,calc(100vw - 32px));padding:11px 16px;border-radius:12px;background:var(--text);color:var(--bg);
  font-size:14px;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.error{background:var(--danger);color:#fff}

/* Lists, admin, profile */
.list{display:flex;flex-direction:column}
.row{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}
.row.dim{opacity:.6}
.row-main{flex:1;min-width:0}
.row-main strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-main p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-actions{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.tabs{display:flex;gap:4px;padding:8px 12px;background:var(--surface);border-bottom:1px solid var(--border);overflow-x:auto}
.tabs button{border:0;background:none;padding:8px 14px;border-radius:999px;cursor:pointer;font-weight:600;color:var(--text-muted);white-space:nowrap}
.tabs button[aria-selected="true"]{background:var(--accent-soft);color:var(--accent)}
.admin-body,.profile-body{flex:1;overflow-y:auto}
.profile-body{padding:16px;display:flex;flex-direction:column;gap:14px;max-width:560px;width:100%}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:10px}
.panel .form{margin-top:8px}
.toolbar{display:flex;align-items:center;gap:10px;padding:12px 16px;flex-wrap:wrap}
.toolbar .search{flex:1;min-width:200px}
.toolbar select{flex:1;min-width:200px}
.cards{display:grid;gap:12px;padding:16px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}
.person{display:flex;gap:12px;align-items:flex-start}
.person p{overflow-wrap:anywhere}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.room-checks{border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;margin:0;display:flex;flex-direction:column;gap:6px}
.room-checks legend{font-size:13px;color:var(--text-muted);padding:0 4px}
.check{display:flex;align-items:center;gap:8px;font-size:14px}
.empty-state{padding:40px 16px;text-align:center;display:flex;flex-direction:column;gap:6px}
.admin-body .form{padding:16px;max-width:520px;margin-top:0}

/* Push-to-talk radio */
.radio{display:flex;flex-direction:column;gap:8px;padding:10px 12px;background:var(--surface);border-top:1px solid var(--border)}
.radio-row{display:flex;align-items:center;gap:10px;min-height:34px}
.radio-dot{width:10px;height:10px;border-radius:50%;background:var(--text-faint);flex:none}
.radio.live .radio-dot{background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.radio.busy .radio-dot{background:var(--warning);animation:pulse 1s infinite}
.radio-text{flex:1;min-width:0;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.radio-status{font-weight:600}
.radio.busy .radio-status{color:var(--warning)}
.radio-presence,.radio-count{color:var(--text-muted)}
.talk{
  display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:64px;padding:0 16px;
  border-radius:18px;border:2px solid var(--accent);background:var(--accent-soft);color:var(--accent);
  font-weight:700;font-size:15px;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none;
  transition:background .12s,transform .12s,box-shadow .12s;
}
.talk .icon{width:24px;height:24px}
.talk:hover{background:color-mix(in srgb,var(--accent) 18%,var(--surface))}
.talk.on{background:var(--danger);border-color:var(--danger);color:#fff;transform:scale(.985);box-shadow:0 0 0 6px color-mix(in srgb,var(--danger) 18%,transparent)}
.radio.busy .talk:not(.on){border-color:var(--warning);color:var(--warning);background:transparent}
.talk:disabled{opacity:.55;cursor:default}