:root{
  --bg:#FAF9F5; --surface:#FFFFFF; --surface-2:#F1EFE8;
  --ink:#1C1B1F; --muted:#77758A; --line:#E7E3D8;
  --accent:#3E5C76; --accent-ink:#FFFFFF; --danger:#B3543A;
  --tick-sent:#5B8FC7; --tick-read:#3FA66A;
  --pr-high:#C1493A; --pr-medium:#C68A2E; --pr-low:#6C8F5E;
  --font-display:'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#141317; --surface:#1D1B21; --surface-2:#26232B;
    --ink:#ECEAF0; --muted:#9C99AC; --line:#302D37; --accent-ink:#0F0E12;
  }
}
:root[data-theme="dark"]{
  --bg:#141317; --surface:#1D1B21; --surface-2:#26232B;
  --ink:#ECEAF0; --muted:#9C99AC; --line:#302D37; --accent-ink:#0F0E12;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;-webkit-tap-highlight-color:transparent;}
button{font:inherit;color:inherit;cursor:pointer;}
input,select{font:inherit;color:inherit;}
#app{height:100vh;height:100dvh;max-width:560px;margin:0 auto;display:flex;flex-direction:column;position:relative;overflow:hidden;background:var(--bg);}
.hidden{display:none !important;}
.screen{flex:1;min-height:0;display:flex;flex-direction:column;}

/* ---- логотип ---- */
.logo-img{display:block;}
.logo-img-big{width:200px;height:auto;margin-bottom:14px;}
.logo-img-small{width:96px;height:auto;flex:0 0 auto;}

/* ---- login ---- */
#loginScreen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;}
#loginScreen .subtle{color:var(--muted);font-size:13.5px;margin-bottom:26px;text-align:center;}
#loginForm{width:100%;max-width:320px;display:flex;flex-direction:column;gap:12px;}
#loginForm input{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 14px;font-size:15.5px;outline:none;}
#loginForm input:focus{border-color:var(--accent);}
#loginForm button{background:var(--accent);color:var(--accent-ink);border:none;border-radius:12px;padding:12px 0;font-weight:600;font-size:15.5px;}
#loginError{color:var(--danger);font-size:13.5px;min-height:18px;}

/* ---- layout (адаптивный), position:relative — ключевое для корректного позиционирования FAB/пикеров ---- */
.layout{flex:1;min-height:0;display:flex;flex-direction:row;overflow:hidden;}
.pane{display:flex;flex-direction:column;min-height:0;position:relative;}
.pane-list{flex:1;}
.pane-detail{flex:1;}
.pane-empty{flex:1;align-items:center;justify-content:center;display:none;color:var(--muted);font-size:15px;}
@media (min-width:860px){
  #app{max-width:1040px;}
  .pane-list{flex:0 0 320px;border-right:1px solid var(--line);}
  .pane-detail{flex:1;}
  #btnBack.only-mobile{display:none;}
  .pane-list.hidden{display:flex !important;}
}

/* ---- top bar ---- */
.topbar{display:flex;align-items:center;gap:10px;padding:16px 18px 12px;flex:0 0 auto;}
.topbar .icon-btn{width:34px;height:34px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:10px;color:var(--ink);}
.topbar .icon-btn:active{background:var(--surface-2);}
.subtle{color:var(--muted);font-size:12.5px;margin-top:1px;}
.topbar .titles{flex:1;min-width:0;}
.topbar .titles .row-title{font-family:var(--font-display);font-weight:600;font-size:19px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:8px;}

/* ---- segmented (чат/задачи) с индикаторами ---- */
.segmented{display:flex;background:var(--surface-2);border-radius:999px;padding:3px;margin:0 18px 10px;flex:0 0 auto;}
.segmented button{flex:1;position:relative;border:none;background:transparent;padding:8px 0;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);}
.segmented button.active{background:var(--surface);color:var(--ink);}
.tab-dot{position:absolute;top:4px;right:calc(50% - 30px);width:7px;height:7px;border-radius:50%;background:var(--danger);}

/* ---- folder list ---- */
#folderList{flex:1;overflow-y:auto;padding:4px 12px 100px;}
.folder-row{display:flex;align-items:center;gap:8px;padding:10px;border-radius:16px;position:relative;}
.folder-row:active{background:var(--surface-2);}
.folder-emoji{width:44px;height:44px;border-radius:13px;flex:0 0 auto;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:21px;position:relative;}
.unread-badge{position:absolute;top:-4px;right:-4px;background:var(--danger);color:#fff;font-size:10.5px;font-weight:700;min-width:17px;height:17px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px;}
.folder-main{flex:1;min-width:0;cursor:pointer;}
.folder-name{font-weight:600;font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.folder-actions{display:flex;gap:1px;flex:0 0 auto;}
.folder-actions button{width:24px;height:24px;border:none;background:transparent;border-radius:8px;color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:13px;}
.folder-actions button:active{background:var(--surface-2);}
.folder-actions button.danger:active{color:var(--danger);}
.list-divider{height:1px;background:var(--line);margin:6px 10px 10px;}
.empty-state{padding:40px 24px;text-align:center;color:var(--muted);font-size:15px;line-height:1.5;}
.fab{position:absolute;left:20px;bottom:24px;width:56px;height:56px;border-radius:18px;border:none;background:var(--accent);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.18);z-index:5;}
.fab:active{transform:scale(.96);}

/* ---- pinned (несколько закреплённых) ---- */
#pinnedStrip{flex:0 0 auto;background:var(--surface-2);margin:0 12px 8px;border-radius:12px;padding:4px 6px;font-size:12.5px;max-height:140px;overflow-y:auto;}
.pin-item{display:flex;align-items:center;gap:8px;padding:5px 6px;}
.pin-item .pin-text{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;color:var(--muted);}
.pin-item button{border:none;background:transparent;color:var(--muted);flex:0 0 auto;}

/* ---- chat ---- */
#chatScroll{flex:1;overflow-y:auto;padding:10px 14px 12px;display:flex;flex-direction:column;gap:2px;}
.msg-group{display:flex;flex-direction:column;margin:8px 0 2px;max-width:100%;}
.msg-group.mine{align-items:flex-end;}
.msg-group.theirs{align-items:flex-start;}
.msg-sender{font-size:12px;color:var(--muted);margin:0 4px 4px;font-weight:600;}
.bubble-wrap{max-width:78%;position:relative;}
.bubble{padding:9px 13px;border-radius:18px;font-size:15.5px;line-height:1.38;word-wrap:break-word;white-space:pre-wrap;cursor:pointer;}
.bubble:empty{display:none;}
.msg-group.mine .bubble{background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:5px;}
.msg-group.theirs .bubble{background:var(--surface-2);color:var(--ink);border-bottom-left-radius:5px;}
.attachment-img{max-width:220px;max-height:280px;border-radius:14px;display:block;margin-top:2px;cursor:pointer;}
.attachment-audio{width:230px;margin-top:2px;}
.attachment-file{display:flex;align-items:center;gap:6px;background:var(--surface-2);border-radius:12px;padding:8px 12px;font-size:13.5px;margin-top:2px;text-decoration:none;color:var(--ink);}
.msg-meta{font-size:11px;color:var(--muted);margin:3px 5px 0;display:flex;align-items:center;gap:4px;}
.msg-meta .tick{font-size:12px;}
.tick.sent{color:var(--tick-sent);}
.tick.read{color:var(--tick-read);}
.chat-empty{margin:auto;text-align:center;color:var(--muted);font-size:14.5px;padding:0 30px;line-height:1.5;}

.msg-actions{display:flex;gap:6px;margin-top:4px;flex-wrap:wrap;}
.msg-actions button{border:none;background:var(--surface-2);color:var(--ink);border-radius:8px;padding:4px 8px;font-size:12px;}
.msg-actions button.danger-action{color:var(--danger);}
.reaction-picker{display:flex;gap:4px;margin-top:4px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:4px 6px;flex-wrap:wrap;max-width:220px;}
.reaction-picker button{border:none;background:transparent;font-size:17px;padding:2px 3px;}
.reactions-row{display:flex;gap:4px;margin-top:4px;flex-wrap:wrap;}
.reaction-chip{background:var(--surface-2);border-radius:10px;padding:2px 7px;font-size:12px;display:flex;align-items:center;gap:3px;}
.reaction-chip.mine{outline:1.5px solid var(--accent);}
.edited-tag{font-style:italic;}

.composer{flex:0 0 auto;display:flex;align-items:center;gap:4px;padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--bg);}
.composer input{flex:1;border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:10px 16px;font-size:15.5px;color:var(--ink);outline:none;min-width:0;}
.composer input:focus{border-color:var(--accent);}
.send-btn,.add-btn{height:40px;border-radius:14px;border:none;flex:0 0 auto;background:var(--accent);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;}
.send-btn{width:40px;}
.send-btn:active,.add-btn:active{transform:scale(.94);}
#emojiBtn,#attachBtn,#micBtn{width:34px;height:34px;font-size:18px;flex:0 0 auto;border:none;background:transparent;border-radius:12px;}
#micBtn.recording{background:var(--danger);color:#fff;}
#emojiPicker{flex:0 0 auto;background:var(--surface);border-top:1px solid var(--line);padding:8px 10px;display:grid;grid-template-columns:repeat(8,1fr);gap:4px;max-height:170px;overflow-y:auto;}
#emojiPicker button{border:none;background:transparent;font-size:20px;padding:4px;border-radius:8px;}
#emojiPicker button:active{background:var(--surface-2);}

/* ---- tasks ---- */
#taskList{flex:1;overflow-y:auto;padding:6px 12px 10px;}
.task-row{display:flex;align-items:flex-start;gap:11px;padding:11px 6px;border-bottom:1px solid var(--line);}
.task-row:last-child{border-bottom:none;}
.task-check{width:23px;height:23px;border-radius:8px;border:1.7px solid var(--muted);flex:0 0 auto;margin-top:1px;display:flex;align-items:center;justify-content:center;background:var(--surface);}
.task-check.done{background:var(--accent);border-color:var(--accent);}
.task-main{flex:1;min-width:0;}
.task-text{font-size:15.5px;line-height:1.4;word-break:break-word;}
.task-text.done{color:var(--muted);text-decoration:line-through;}
.task-meta-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:5px;}
.task-chip{font-size:11.5px;padding:2px 8px;border-radius:8px;background:var(--surface-2);color:var(--muted);display:flex;align-items:center;gap:3px;}
.task-chip.priority-high{color:var(--pr-high);}
.task-chip.priority-medium{color:var(--pr-medium);}
.task-chip.priority-low{color:var(--pr-low);}
.task-chip.overdue{color:var(--danger);background:transparent;border:1px solid var(--danger);}
.task-del{width:26px;height:26px;border:none;background:transparent;color:var(--muted);border-radius:7px;flex:0 0 auto;}
.task-del:active{background:var(--surface-2);color:var(--danger);}
.task-empty{margin-top:40px;text-align:center;color:var(--muted);font-size:14.5px;padding:0 30px;line-height:1.5;}

/* ---- модалка ---- */
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.38);display:flex;align-items:flex-end;justify-content:center;z-index:30;}
.modal-sheet{width:100%;max-width:480px;background:var(--surface);border-radius:22px 22px 0 0;padding:20px 20px calc(20px + env(safe-area-inset-bottom));max-height:85vh;overflow-y:auto;}
.modal-title{font-family:var(--font-display);font-weight:600;font-size:19px;margin:0 0 14px;}
.modal-sheet input[type="text"],.modal-sheet input[type="password"],.modal-sheet input[type="datetime-local"],.modal-sheet select{width:100%;border:1px solid var(--line);background:var(--bg);border-radius:12px;padding:11px 14px;font-size:15.5px;color:var(--ink);outline:none;margin-bottom:14px;}
.modal-sheet input:focus{border-color:var(--accent);}
.field-label{font-size:13px;color:var(--muted);font-weight:600;margin:0 0 6px;}
.emoji-row{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:18px;max-height:220px;overflow-y:auto;}
.emoji-pick{width:100%;aspect-ratio:1;border-radius:12px;border:2px solid transparent;background:var(--surface-2);font-size:19px;display:flex;align-items:center;justify-content:center;}
.emoji-pick.selected{border-color:var(--accent);}
.priority-row{display:flex;gap:8px;margin-bottom:14px;}
.priority-row button{flex:1;border:2px solid var(--line);background:var(--surface);border-radius:11px;padding:9px 0;font-size:13px;font-weight:600;color:var(--muted);}
.priority-row button.selected.priority-high{border-color:var(--pr-high);color:var(--pr-high);}
.priority-row button.selected.priority-medium{border-color:var(--pr-medium);color:var(--pr-medium);}
.priority-row button.selected.priority-low{border-color:var(--pr-low);color:var(--pr-low);}
.modal-actions{display:flex;gap:10px;}
.modal-actions button{flex:1;padding:12px 0;border-radius:13px;border:none;font-weight:600;font-size:15px;}
.btn-cancel{background:var(--surface-2);color:var(--ink);}
.btn-confirm{background:var(--accent);color:var(--accent-ink);}
.btn-confirm:disabled{opacity:.45;}

/* ---- настройки ---- */
#settingsContent{flex:1;overflow-y:auto;padding:6px 18px 30px;}
.settings-section{margin-bottom:26px;}
.settings-section h3{font-family:var(--font-display);font-size:16px;margin:0 0 10px;}
.theme-options{display:flex;background:var(--surface-2);border-radius:999px;padding:3px;}
.theme-options button{flex:1;border:none;background:transparent;padding:8px 10px;border-radius:999px;font-size:13px;font-weight:600;color:var(--muted);}
.theme-options button.active{background:var(--surface);color:var(--ink);}
#settingsContent input[type="text"],#settingsContent input[type="password"]{width:100%;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:10px 13px;font-size:15px;color:var(--ink);outline:none;margin-bottom:8px;}
#settingsContent .save-btn{background:var(--accent);color:var(--accent-ink);border:none;border-radius:11px;padding:9px 16px;font-weight:600;font-size:14px;}
.user-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);}
.user-row:last-child{border-bottom:none;}
.user-avatar{width:32px;height:32px;border-radius:10px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex:0 0 auto;}
.user-info{flex:1;min-width:0;}
.user-name{font-weight:600;font-size:14.5px;}
.role-badge{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;}
.user-del{border:none;background:transparent;color:var(--muted);width:28px;height:28px;border-radius:8px;}
.logout-btn{width:100%;background:var(--surface-2);color:var(--danger);border:none;border-radius:12px;padding:12px 0;font-weight:600;font-size:15px;margin-top:6px;}
.add-user-btn{background:var(--surface-2);color:var(--ink);border:none;border-radius:11px;padding:9px 14px;font-weight:600;font-size:14px;width:100%;margin-top:8px;}
.role-select{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 10px;font-size:14px;color:var(--ink);width:100%;margin-bottom:8px;}

::-webkit-scrollbar{width:0;height:0;}