/*!
 * OnlineДоска — совместная доска для онлайн-занятий
 * © 2026. Все права защищены.
 *
 * Копирование, распространение и использование кода или его частей
 * без письменного разрешения правообладателя запрещены.
 */
:root{
  --paper:#F5F8FC;
  --grid:#D9E5F2;
  --ink:#2B3A55;
  --ink-soft:#5C6B8A;
  --mix:#2FA8B0;
  --mix-dark:#25858B;
  --good:#3FAE84;
  --bad:#E5564A;
  --warn:#F2A93C;
  --plum:#8B6FD9;
  --shadow: rgba(43,58,85,0.16);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;min-height:100%;}
body{
  font-family:'Nunito', sans-serif;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:26px 26px;
  min-height:100vh;
}
h1,h2,.display{ font-family:'Baloo 2', sans-serif; }
a{ color:var(--mix-dark); }

.page{ min-height:100vh; display:flex; align-items:flex-start; justify-content:center; padding:clamp(16px, 5vw, 40px) clamp(10px, 3vw, 20px); }
.page.center{ align-items:center; }

.card{
  background:white; border-radius:24px; padding:clamp(20px, 6vw, 34px) clamp(16px, 5vw, 32px);
  max-width:440px; width:100%;
  box-shadow:4px 6px 0 var(--shadow);
  border:3px dashed var(--grid);
}
.card.wide{ max-width:820px; }
.card.narrow{ max-width:400px; }

.logo-badge{
  width:48px; height:48px; margin:0 auto 14px;
  border-radius:38% 62% 55% 45% / 48% 40% 60% 52%;
  background:var(--mix); color:white; display:flex; align-items:center; justify-content:center;
  font-family:'Baloo 2'; font-weight:800; font-size:22px;
  box-shadow:2px 3px 0 var(--shadow);
  transform:rotate(-6deg);
}
h1.page-title{ font-size:22px; margin:0 0 4px; text-align:center; }
p.sub{ color:var(--ink-soft); font-size:14px; margin:0 0 24px; line-height:1.5; text-align:center; }

.field{ text-align:left; margin-bottom:14px; }
.field label{ display:block; font-size:12.5px; font-weight:800; color:var(--ink-soft); margin-bottom:6px; }
.field input, .field select{
  width:100%; padding:12px 14px; border-radius:12px; border:2px solid var(--grid);
  font-family:'Nunito', sans-serif; font-size:15px; color:var(--ink); background:var(--paper);
}
.field input:focus, .field select:focus{ outline:none; border-color:var(--mix); }

.check-row{ display:flex; align-items:flex-start; gap:10px; margin-bottom:18px; text-align:left; font-size:13px; color:var(--ink-soft); line-height:1.5; }
.check-row input{ margin-top:3px; flex-shrink:0; }
.check-row a{ font-weight:700; }

.action-btn{
  width:100%; padding:14px 0; border-radius:14px; border:none;
  font-weight:800; font-size:15.5px; cursor:pointer; margin-bottom:12px;
  box-shadow:2px 3px 0 var(--shadow);
  font-family:'Nunito', sans-serif;
}
.action-btn.primary{ background:var(--mix); color:white; }
.action-btn.primary:hover{ background:var(--mix-dark); }
.action-btn.secondary{ background:var(--paper); color:var(--ink); border:2px solid var(--grid); }
.action-btn.secondary:hover{ border-color:var(--mix); }
.action-btn.danger{ background:white; color:var(--bad); border:2px solid var(--bad); }
.action-btn:disabled{ opacity:.55; cursor:not-allowed; }
.action-btn.small{ width:auto; padding:9px 16px; font-size:13.5px; margin:0; }

.msg{ margin-top:14px; font-size:13.5px; font-weight:700; min-height:18px; text-align:center; }
.msg.error{ color:var(--bad); }
.msg.success{ color:var(--good); }
.msg.loading{ color:var(--ink-soft); }

.hidden{ display:none !important; }

.plan-grid{ display:grid; gap:10px; margin-bottom:16px; text-align:left; }
@media (min-width:430px){ .plan-grid{ grid-template-columns:1fr 1fr; } }

.plan-opt{ display:block; cursor:pointer; }
.plan-opt input{ position:absolute; opacity:0; width:0; height:0; }
.plan-box{
  border:2px solid var(--grid); border-radius:14px; padding:12px 14px;
  background:var(--paper); height:100%;
  display:flex; flex-direction:column; gap:2px;
}
.plan-opt input:checked + .plan-box{ border-color:var(--mix); background:white; box-shadow:2px 3px 0 var(--shadow); }
.plan-opt input:focus-visible + .plan-box{ outline:3px solid var(--plum); outline-offset:2px; }
.plan-term{ font-weight:800; font-size:12.5px; color:var(--ink-soft); }
.plan-cost{ font-family:'Baloo 2', cursive; font-weight:800; font-size:21px; color:var(--ink); line-height:1.15; }
.plan-note{ font-size:12px; font-weight:700; color:var(--ink-soft); }
.plan-note.save{ color:var(--good); }

.cab-topbar{
  display:flex; align-items:center; flex-wrap:wrap; gap:8px 12px;
  padding:12px clamp(12px, 4vw, 24px); background:white;
  border-bottom:3px dashed var(--grid); box-shadow:0 4px 0 var(--shadow);
}
.cab-topbar .brand{
  display:flex; align-items:center; gap:10px; font-family:'Baloo 2'; font-weight:700;
  font-size:clamp(15px, 4vw, 17px); flex:none;
}
.cab-topbar .spacer{ flex:1 1 0; min-width:0; }
.cab-topbar .login-chip{ font-size:13px; color:var(--ink-soft); font-weight:700; display:none; }
@media (min-width:560px){
  .cab-topbar .login-chip{ display:inline; }
}

.cab-layout{
  max-width:1240px; margin:0 auto; padding:22px 20px 60px;
  display:grid; grid-template-columns:264px 1fr; gap:18px; align-items:start;
}
.cab-side{
  background:white; border-radius:18px; border:2px dashed var(--grid);
  padding:14px 10px; box-shadow:3px 4px 0 var(--shadow);
  position:sticky; top:16px;
  display:flex; flex-direction:column; gap:2px;
  
  z-index:20;
}
.side-head{
  font-size:11px; font-weight:800; letter-spacing:.12em; text-transform:uppercase;
  color:var(--ink-soft); padding:0 10px; margin:0 0 6px;
}
.side-head.mt{ margin-top:14px; }
.nav-item{
  display:flex; align-items:center; gap:9px; width:100%; text-align:left;
  padding:8px 10px; border-radius:11px; cursor:pointer;
  border:2px solid transparent; background:none; color:var(--ink);
  font-family:'Nunito', sans-serif; font-size:14px; font-weight:700;
}
.nav-item:hover{ background:var(--paper); }
.nav-item.active{ background:var(--paper); border-color:var(--mix); }
.nav-item.drop-target{ border-color:var(--good); border-style:dashed; background:#E4F5EE; }
.nav-item.dragging{ opacity:.45; }

.nav-item.drop-before{ box-shadow:0 -3px 0 0 var(--mix); }
.nav-item.drop-after{ box-shadow:0 3px 0 0 var(--mix); }
.nav-item .nav-ic{ width:17px; flex:none; text-align:center; color:var(--mix); font-size:14px; }
.nav-item .nav-name{ flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.nav-item .nav-count{ font-size:11.5px; font-weight:700; color:var(--ink-soft); font-variant-numeric:tabular-nums; }
.nav-item .chip-menu{ opacity:0; font-weight:800; padding:0 4px; border-radius:6px; color:var(--ink-soft); }
.nav-item:hover .chip-menu, .nav-item.active .chip-menu{ opacity:.6; }
.nav-item .chip-menu:hover{ opacity:1; background:var(--grid); color:var(--ink); }

.cab-main{
  background:white; border-radius:18px; border:2px dashed var(--grid);
  padding:18px 20px 22px; box-shadow:3px 4px 0 var(--shadow); min-width:0;
}
.cab-main-head{ display:flex; align-items:center; gap:12px; flex-wrap:wrap; margin-bottom:2px; }
.cab-main-head h2{ font-size:19px; margin:0; }
.cab-crumb{ font-size:12.5px; color:var(--ink-soft); margin:0 0 16px; }

.sort-pick{ display:flex; align-items:center; gap:7px; font-size:12.5px; color:var(--ink-soft); font-weight:700; }
.sort-pick > span{ display:none; }
.sort-pick select{
  padding:6px 9px; border-radius:10px; border:2px solid var(--grid); background:white;
  font-family:'Nunito', sans-serif; font-size:12.5px; font-weight:700; color:var(--ink); cursor:pointer;
  max-width:190px;
}
.sort-pick select:hover{ border-color:var(--mix); }
@media (min-width:620px){
  .sort-pick > span{ display:inline; }
}

.boards-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(196px, 1fr)); gap:14px; }
.board-tile{
  border:2px solid var(--grid); border-radius:16px; background:white;
  display:flex; flex-direction:column; cursor:pointer;
  
}
.board-tile .tile-thumb{ border-radius:14px 14px 0 0; }
.board-tile .icon-btn.tile-menu{ font-size:19px; line-height:1; }
.board-tile:hover{ border-color:var(--mix); }
.board-tile.dragging{ opacity:.45; }
.board-tile.drop-before{ box-shadow:-3px 0 0 0 var(--mix); }
.board-tile.drop-after{ box-shadow:3px 0 0 0 var(--mix); }
.tile-thumb{
  height:118px; border-bottom:2px solid var(--grid); background:var(--paper);
  display:flex; align-items:center; justify-content:center; overflow:hidden; position:relative;
}
.tile-thumb img{ width:100%; height:100%; object-fit:cover; object-position:top left; display:block; }
.tile-thumb .no-preview{
  font-size:11.5px; color:var(--ink-soft); text-align:center; padding:0 10px; line-height:1.35;
}
.tile-body{ padding:10px 11px 11px; display:flex; flex-direction:column; gap:7px; flex:1; }
.tile-name{ font-weight:800; font-size:14px; line-height:1.3; word-break:break-word; }
.tile-tags{ display:flex; flex-wrap:wrap; gap:5px; align-items:center; }
.tag-add{
  font-size:11px; font-weight:800; padding:2px 8px; border-radius:999px; cursor:pointer;
  border:1.5px dashed var(--grid); background:none; color:var(--ink-soft);
  font-family:'Nunito', sans-serif;
}
.tag-add:hover{ border-color:var(--mix); color:var(--mix-dark); }
.tile-foot{ display:flex; align-items:center; gap:8px; margin-top:auto; }
.tile-date{ font-size:11.5px; color:var(--ink-soft); flex:1; white-space:nowrap; }

@media (max-width:820px){
  .cab-layout{ grid-template-columns:1fr; }
  .cab-side{ position:static; }
}
.cab-row{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }

.board-item[draggable="true"]{ cursor:grab; }

.board-item{
  display:flex; align-items:center; flex-wrap:wrap; gap:6px 14px;
  padding:12px 14px; border-radius:14px;
  border:2px solid var(--grid); margin-bottom:10px; background:var(--paper);
}

.board-item .name{
  font-weight:800; font-size:15px; flex:1 1 100%; min-width:0;
  overflow-wrap:anywhere; word-break:break-word;
}
@media (min-width:480px){
  .board-item .name{ flex:1 1 auto; }
}
.board-item .code{ font-family:'JetBrains Mono', monospace; letter-spacing:2px; color:var(--mix-dark); font-weight:700; font-size:14px; }
.board-item .actions{ display:flex; gap:6px; flex-wrap:wrap; }
.icon-btn{
  border:none; background:transparent; color:var(--ink-soft); cursor:pointer; font-size:13px;
  padding:6px 8px; border-radius:8px; font-weight:700; font-family:'Nunito', sans-serif;
}
.icon-btn:hover{ background:var(--grid); color:var(--ink); }
.icon-btn.danger:hover{ background:#FBDFDC; color:var(--bad); }

.folder-tag{
  display:inline-flex; align-items:center; gap:5px; padding:3px 9px; border-radius:8px;
  font-size:12px; font-weight:700; background:#E2F1F2; color:var(--mix-dark); white-space:nowrap;
}
.folder-tag .x{ cursor:pointer; opacity:.6; font-weight:800; }
.folder-tag .x:hover{ opacity:1; }
.share-badge{
  display:inline-flex; align-items:center; gap:4px; font-size:12px; font-weight:700; color:var(--good);
  white-space:nowrap;
}

.popover-wrap{ position:relative; flex-shrink:0; }
.popover{
  position:absolute; right:0; top:calc(100% + 6px); z-index:50; min-width:210px;
  background:white; border:2px solid var(--grid); border-radius:14px; padding:6px;
  box-shadow:3px 5px 0 var(--shadow);
}
.popover.left{ right:auto; left:0; }
.popover-item{
  display:flex; align-items:center; gap:9px; width:100%; padding:9px 11px; border:none; background:transparent;
  border-radius:9px; font-family:'Nunito', sans-serif; font-size:13.5px; font-weight:700; color:var(--ink);
  cursor:pointer; text-align:left;
}
.popover-item:hover{ background:var(--paper); }
.popover-item.danger{ color:var(--bad); border-top:1.5px solid var(--grid); border-radius:0 0 9px 9px; }
.popover-item.danger:hover{ background:#FBDFDC; }
.popover-item input[type="checkbox"]{ margin:0; flex-shrink:0; }
.popover-title{ font-size:11.5px; font-weight:800; color:var(--ink-soft); padding:6px 11px 4px; text-transform:uppercase; letter-spacing:.4px; }
.popover-scroll{ max-height:220px; overflow-y:auto; }

.switch{ position:relative; display:inline-block; width:42px; height:24px; flex-shrink:0; }
.switch input{ opacity:0; width:0; height:0; }
.switch-slider{
  position:absolute; cursor:pointer; inset:0; background:var(--grid); border-radius:999px; transition:.2s;
}
.switch-slider:before{
  position:absolute; content:""; height:18px; width:18px; left:3px; bottom:3px;
  background:white; border-radius:50%; transition:.2s;
}
.switch input:checked + .switch-slider{ background:var(--mix); }
.switch input:checked + .switch-slider:before{ transform:translateX(18px); }

.link-row{ display:flex; gap:8px; align-items:center; }
.link-row input{
  flex:1; min-width:0; padding:10px 12px; border-radius:10px; border:2px solid var(--grid);
  font-family:'JetBrains Mono', monospace; font-size:12px; color:var(--ink-soft); background:var(--paper);
}

.empty-hint{ color:var(--ink-soft); font-size:13.5px; text-align:center; padding:14px 0; }

.board-item.shared-board{ text-decoration:none; color:inherit; cursor:pointer; gap:10px; }
.board-item.shared-board:hover{ border-color:var(--mix); }
.board-item .live-badge{ font-size:12.5px; color:var(--ink-soft); white-space:nowrap; }

.board-item.shared-board.live{ border-color:var(--good); background:#EAF6F1; }
.board-item.shared-board.live .live-badge{
  color:var(--good); font-weight:800; display:inline-flex; align-items:center; gap:6px;
}
.board-item.shared-board.live .live-badge::before{
  content:""; width:8px; height:8px; border-radius:50%; background:var(--good);
  animation:sharedLivePulse 2s ease-in-out infinite;
}
@keyframes sharedLivePulse{
  0%, 100% { box-shadow:0 0 0 0 rgba(63,174,132,0.55); }
  50% { box-shadow:0 0 0 5px rgba(63,174,132,0); }
}

.days-pill{
  display:inline-flex; align-items:center; padding:6px 14px; border-radius:999px;
  font-size:12.5px; font-weight:800; color:var(--ink-soft); background:var(--paper);
  border:2px solid var(--grid); white-space:nowrap;
}
.days-pill.urgent{
  color:var(--bad); background:#FDEDEB; border-color:var(--bad);
  animation: daysPillGlow 2.2s ease-in-out infinite;
}
@keyframes daysPillGlow{
  0%, 100% { box-shadow: 0 0 0 0 rgba(229,86,74,0.4); }
  50% { box-shadow: 0 0 12px 2px rgba(229,86,74,0.35); }
}

.news-btn{
  display:inline-flex; align-items:center; justify-content:center;
  width:34px; height:34px; padding:0; border-radius:999px; cursor:pointer;
  color:var(--ink-soft); background:var(--paper); border:2px solid var(--grid);
  transition:color .15s, border-color .15s;
}
.news-btn:hover{ color:var(--mix-dark); border-color:var(--mix); }

.news-btn.has-new{
  color:var(--good); border-color:var(--good);
  animation: newsBlink 2s ease-in-out infinite;
}
@keyframes newsBlink{
  0%, 100% { box-shadow: 0 0 0 0 rgba(63,174,132,0.45); }
  50% { box-shadow: 0 0 12px 2px rgba(63,174,132,0.4); }
}

@media (prefers-reduced-motion: reduce){
  .news-btn.has-new{ animation:none; }
}
.news-list{ margin:0 0 18px; padding:0; list-style:none; max-height:50vh; overflow-y:auto; }
.news-list li{
  position:relative; padding:9px 0 9px 22px; font-size:14px; line-height:1.5;
  border-bottom:1px solid var(--grid);
}
.news-list li:last-child{ border-bottom:none; }
.news-list li::before{
  content:""; position:absolute; left:4px; top:15px;
  width:7px; height:7px; border-radius:50%; background:var(--good);
}

.news-list li.seen{ color:var(--ink-soft); }
.news-list li.seen::before{ background:var(--grid); }

.modal-backdrop{
  position:fixed; inset:0; background:rgba(43,58,85,0.4); display:flex; align-items:center;
  justify-content:center; z-index:1000; padding:20px;
}
.modal-card{
  background:white; border-radius:20px; padding:28px 26px; max-width:380px; width:100%;
  box-shadow:4px 6px 0 var(--shadow); border:3px dashed var(--grid);
}
.modal-card h3{ margin:0 0 8px; font-size:17px; font-family:'Baloo 2', sans-serif; }
.modal-card p{ margin:0 0 18px; font-size:14px; color:var(--ink-soft); line-height:1.5; }
.modal-card p:empty{ display:none; }
.modal-card .field{ margin-bottom:18px; }
.modal-actions{ display:flex; gap:10px; }
.modal-actions .action-btn{ margin:0; flex:1; }

.legal h1{ font-size:22px; }
.legal h2{ font-size:16px; margin-top:26px; }
.legal p, .legal li{ font-size:14px; line-height:1.65; color:var(--ink); }
.legal .placeholder{ background:#FBF3D5; padding:2px 6px; border-radius:6px; }

body.cab-readonly #newBoardBtn,
body.cab-readonly .tile-menu,
body.cab-readonly .tag-add,
body.cab-readonly .folder-tag .x,
body.cab-readonly .chip-menu{ display:none !important; }