/* Chess School — shared components and editorial color system */
:root {
  --font: "DM Sans", "Noto Sans", "Noto Sans Armenian", "Segoe UI", system-ui, sans-serif;
  --font-display: "Noto Serif Display", "Noto Serif Armenian", Georgia, serif;
  --bg:#f8f7f2; --bg-2:#eeefe7; --surface:#fffefa; --surface-2:#f1f3ea; --border:#dedfd5; --border-2:#cbd2c3;
  --text:#1c332a; --text-2:#536254; --muted:#6a746b; --faint:#9ba493;
  --accent:#173f35; --accent-2:#376653; --accent-soft:#e7eddf; --accent-ink:#234a38;
  --danger:#b44f42; --danger-soft:#fbede8; --danger-ink:#873c33;
  --gold:#a48a48; --gold-soft:#f3efdd; --gold-ink:#756329;
  --green:#376653; --green-soft:#e7eddf; --green-ink:#234a38;
  --blue:#4f7773; --blue-soft:#e8f0ea; --blue-ink:#385f5b;
  --amber:#ab7f35; --amber-soft:#f6eedc; --amber-ink:#785724;
  --violet:#7a7867; --violet-soft:#eeede4;
  --shadow-sm:0 1px 2px #19372804;
  --shadow:0 8px 28px -12px #19372816;
  --shadow-lg:0 24px 70px -22px #173f3538;
  --r-sm:5px; --r:8px; --r-lg:12px; --r-pill:999px;
  --nav-w:246px; --header-h:78px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--blue);text-decoration:none}
button{font-family:inherit}
img{max-width:100%}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
h1{font-size:28px} h2{font-size:22px} h3{font-size:17px} h4{font-size:15px}
p{margin:0 0 10px}
.muted{color:var(--muted)} .small{font-size:13px} .tiny{font-size:12px} .bold{font-weight:700} .semibold{font-weight:600}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace}
.hidden{display:none!important}
.center{text-align:center}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.row.between{justify-content:space-between}
.col{display:flex;flex-direction:column;gap:10px}
.grow{flex:1 1 auto}
.mt{margin-top:16px}.mt-sm{margin-top:8px}.mb{margin-bottom:16px}.mb-sm{margin-bottom:8px}.mr{margin-right:8px}
.gap{gap:16px}.wrap{flex-wrap:wrap}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-auto{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ---------- boot ---------- */
.boot{height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:var(--bg)}
.boot-logo{font-size:56px;color:var(--gold);animation:pulse 1.4s ease-in-out infinite}
.boot-bar{width:160px;height:4px;background:var(--border);border-radius:99px;overflow:hidden}
.boot-bar span{display:block;height:100%;width:40%;background:linear-gradient(90deg,var(--accent),var(--gold));animation:slide 1.2s var(--ease) infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.08);opacity:1}}
@keyframes slide{0%{transform:translateX(-100%)}100%{transform:translateX(260%)}}

/* ---------- layout ---------- */
.shell{display:grid;grid-template-columns:var(--nav-w) 1fr;min-height:100vh}
.sidenav{position:sticky;top:0;height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 14px;gap:6px;z-index:20}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 16px}
.brand .logo{width:38px;height:38px;border-radius:11px;background:var(--accent);display:grid;place-items:center;color:var(--gold);font-size:22px;box-shadow:var(--shadow-sm)}
.brand b{display:block;font-size:15px;line-height:1.15}
.brand small{color:var(--muted);font-size:11.5px;letter-spacing:.04em;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--text-2);font-weight:500;font-size:14px;transition:.15s;cursor:pointer;border:0;background:none;text-align:left;width:100%}
.nav-item svg{width:20px;height:20px;flex:0 0 20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item.active{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}
.nav-item .badge{margin-left:auto}
.nav-footer{margin-top:auto;display:flex;flex-direction:column;gap:6px;padding-top:12px;border-top:1px solid var(--border)}
.userchip{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;background:var(--surface-2)}
.userchip .av{width:34px;height:34px;border-radius:50%;background:var(--green-soft);display:grid;place-items:center;font-weight:700;color:#3d2a05;font-size:13px;flex:0 0 34px;overflow:hidden}
.userchip .av img{width:100%;height:100%;object-fit:cover}
.userchip .who{min-width:0}
.userchip .who b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.userchip .who span{font-size:11.5px;color:var(--muted);text-transform:capitalize}
.main{min-width:0;display:flex;flex-direction:column}
.topbar{height:var(--header-h);display:flex;align-items:center;gap:12px;padding:0 22px;background:rgba(248,247,242,.95);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:15}
.topbar h1{font-size:19px;font-weight:700}
.topbar .spacer{flex:1}
.content{padding:22px;max-width:1280px;width:100%;margin:0 auto}
.content.narrow{max-width:760px}
.burger{display:none}
@media (max-width:960px){
  .shell{grid-template-columns:1fr}
  .sidenav{position:fixed;left:0;top:0;width:min(84vw,300px);transform:translateX(-105%);transition:transform .25s var(--ease);box-shadow:var(--shadow-lg)}
  .sidenav.open{transform:translateX(0)}
  .burger{display:inline-flex}
  .content{padding:14px}
  .scrim{position:fixed;inset:0;background:rgba(10,14,25,.45);z-index:19}
}

/* ---------- lang switch ---------- */
.lang-switch{display:inline-flex;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-pill);padding:3px;gap:2px}
.lang-switch button{border:0;background:transparent;padding:5px 10px;border-radius:var(--r-pill);font-weight:600;font-size:12.5px;color:var(--muted);cursor:pointer;text-transform:uppercase;letter-spacing:.04em}
.lang-switch button.active{background:var(--text);color:#fff;box-shadow:var(--shadow-sm)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:10px;border:1px solid transparent;font-weight:600;font-size:14px;cursor:pointer;transition:.15s var(--ease);background:var(--surface);color:var(--text);border-color:var(--border-2);box-shadow:var(--shadow-sm);white-space:nowrap;line-height:1.2}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--accent);color:#fff;border-color:transparent}
.btn-dark{background:var(--accent);color:#fff;border-color:transparent}
.btn-gold{background:#d6e2af;color:var(--accent);border-color:transparent}
.btn-green{background:var(--green);color:#fff;border-color:transparent}
.btn-blue{background:var(--blue);color:#fff;border-color:transparent}
.btn-ghost{background:transparent;border-color:transparent;box-shadow:none;color:var(--text-2)}
.btn-ghost:hover{background:var(--surface-2);box-shadow:none}
.btn-soft{background:var(--accent-soft);color:var(--accent-ink);border-color:transparent;box-shadow:none}
.btn-danger{background:var(--surface);color:var(--danger-ink);border-color:#e5c6bb}
.btn-sm{padding:6px 11px;font-size:13px;border-radius:8px}
.btn-lg{padding:14px 24px;font-size:16px;border-radius:14px}
.btn-xl{padding:20px 32px;font-size:20px;border-radius:18px}
.btn-block{width:100%}
.btn-icon{padding:8px;width:38px;height:38px}
.btn-icon.btn-sm{width:30px;height:30px;padding:5px}
.btn.loading{position:relative;color:transparent!important}
.btn.loading::after{content:"";position:absolute;width:16px;height:16px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
.btn:not(.btn-primary):not(.btn-dark):not(.btn-green):not(.btn-blue).loading::after{border-color:rgba(0,0,0,.2);border-top-color:var(--text)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:13px;font-weight:600;color:var(--text-2)}
.input,select.input,textarea.input{width:100%;padding:11px 13px;border:1px solid var(--border-2);border-radius:10px;background:var(--surface);font:inherit;font-size:14.5px;color:var(--text);transition:.15s;outline:none}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(55,102,83,.12)}
.input.error{border-color:var(--danger);background:var(--danger-soft)}
textarea.input{min-height:90px;resize:vertical}
.field .err{font-size:12.5px;color:var(--danger-ink);font-weight:500;display:flex;align-items:center;gap:5px}
.field .hint{font-size:12px;color:var(--muted)}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);cursor:pointer}
.checkbox input{width:18px;height:18px;margin-top:2px;accent-color:var(--accent)}
.input-group{display:flex;gap:8px}
.input-group .input{flex:1}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{border:0;background:transparent;padding:7px 12px;border-radius:8px;font-weight:600;font-size:13px;color:var(--muted);cursor:pointer;transition:.15s}
.seg button.active{background:#fff;color:var(--text);box-shadow:var(--shadow-sm)}
.pin-input{display:flex;gap:10px;justify-content:center}
.pin-input input{width:56px;height:64px;text-align:center;font-size:28px;font-weight:700;border-radius:14px;border:2px solid var(--border-2)}
.pin-input input:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 4px rgba(212,165,58,.2)}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:18px;box-shadow:var(--shadow-sm)}
.card.pad-lg{padding:26px}
.card.flat{box-shadow:none}
.card-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.card-title h3{display:flex;align-items:center;gap:8px}
.card.accent{border-color:transparent;background:var(--accent);color:#fff}
.card.accent .muted{color:rgba(255,255,255,.65)}
.card.gold{background:var(--gold-soft);border-color:#e4dcc0}
.card.hover{transition:.18s var(--ease);cursor:pointer}
.card.hover:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--border-2)}
.stat{display:flex;flex-direction:column;gap:4px}
.stat .v{font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.stat .l{font-size:12.5px;color:var(--muted);font-weight:500}
.stat .d{font-size:12px;font-weight:600}
.stat .d.up{color:var(--green)} .stat .d.down{color:var(--danger)}
.kpi{display:flex;align-items:center;gap:14px}
a.kpi,a.kpi .v,a.kpi .l{color:inherit}
a.kpi .v{color:var(--text)}
.kpi .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:20px;flex:0 0 46px}
.ico.gold{background:var(--gold-soft);color:var(--gold-ink)} .ico.green{background:var(--green-soft);color:var(--green-ink)} .ico.blue{background:var(--blue-soft);color:var(--blue-ink)} .ico.red{background:var(--danger-soft);color:var(--danger-ink)} .ico.amber{background:var(--amber-soft);color:var(--amber-ink)} .ico.violet{background:var(--violet-soft);color:var(--violet)}

/* ---------- badges / pills ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:var(--r-pill);font-size:11.5px;font-weight:700;letter-spacing:.02em;background:var(--bg-2);color:var(--text-2);line-height:1.4;white-space:nowrap}
.badge.gold{background:var(--gold-soft);color:var(--gold-ink)} .badge.green{background:var(--green-soft);color:var(--green-ink)} .badge.blue{background:var(--blue-soft);color:var(--blue-ink)} .badge.red{background:var(--danger-soft);color:var(--danger-ink)} .badge.amber{background:var(--amber-soft);color:var(--amber-ink)} .badge.dark{background:var(--accent);color:#fff} .badge.violet{background:var(--violet-soft);color:var(--violet)}
.badge.dot::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.badge.count{min-width:20px;justify-content:center;padding:2px 6px;background:var(--accent);color:#fff}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border-radius:var(--r-pill);border:1px solid var(--border-2);background:#fff;font-size:13px;font-weight:500;cursor:pointer;transition:.15s}
.chip:hover{border-color:var(--text-2)}
.chip.active{background:var(--text);color:#fff;border-color:var(--text)}
.avatar{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:var(--bg-2);flex:0 0 40px;overflow:hidden}
.avatar.lg{width:64px;height:64px;font-size:34px;border-radius:18px;flex-basis:64px}
.avatar.xl{width:96px;height:96px;font-size:52px;border-radius:26px;flex-basis:96px}
.avatar.sm{width:28px;height:28px;font-size:15px;border-radius:8px;flex-basis:28px}
.avatar img{width:100%;height:100%;object-fit:cover}
.av-knight{background:#e6eefc}.av-rook{background:#e2f6ec}.av-bishop{background:#eee9fb}.av-queen{background:#fbf3dc}.av-king{background:#fdeceb}.av-pawn{background:#eef0f5}.av-star{background:#fff4dd}.av-rocket{background:#e6f5fc}.av-lion{background:#fbeede}.av-fox{background:#fde9dc}.av-owl{background:#e9f0e6}.av-panda{background:#eceff1}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--r);background:var(--surface)}
table.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{background:var(--surface-2);text-align:left;padding:11px 14px;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;border-bottom:1px solid var(--border);white-space:nowrap}
.table td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table tr:hover td{background:var(--surface-2)}
.table td.num,.table th.num{text-align:right;font-variant-numeric:tabular-nums}
.table .actions{display:flex;gap:6px;justify-content:flex-end}
.list{display:flex;flex-direction:column;gap:10px}
.list-item{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);transition:.15s}
.list-item:hover{border-color:var(--border-2);box-shadow:var(--shadow-sm)}
.list-item .body{flex:1;min-width:0}
.list-item .body b{display:block}
.list-item .body .sub{font-size:13px;color:var(--muted)}
.list-item.clickable{cursor:pointer}
.empty{padding:36px 20px;text-align:center;color:var(--muted);border:1px dashed var(--border-2);border-radius:var(--r);background:var(--surface-2)}
.empty .ico{font-size:36px;margin-bottom:8px;opacity:.6}

/* ---------- modal ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(10,14,25,.55);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px;animation:fade .15s}
.modal{background:var(--surface);border-radius:var(--r-lg);width:100%;max-width:560px;max-height:92vh;overflow:auto;box-shadow:var(--shadow-lg);animation:rise .2s var(--ease)}
.modal.lg{max-width:860px} .modal.xl{max-width:1100px} .modal.sm{max-width:420px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px 0}
.modal-body{padding:16px 22px 22px}
.modal-foot{display:flex;gap:10px;justify-content:flex-end;padding:0 22px 22px;flex-wrap:wrap}
@keyframes fade{from{opacity:0}} @keyframes rise{from{transform:translateY(14px);opacity:0}}

/* ---------- toasts ---------- */
.toasts{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:200;max-width:min(380px,92vw)}
.toast{background:var(--accent);color:#fff;padding:12px 16px;border-radius:12px;box-shadow:var(--shadow-lg);font-size:14px;display:flex;gap:10px;align-items:flex-start;animation:rise .2s var(--ease);border-left:4px solid var(--gold)}
.toast.success{border-left-color:var(--green)} .toast.error{border-left-color:var(--danger)} .toast.info{border-left-color:var(--blue)}
.toast b{display:block;font-size:13.5px}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px;overflow-x:auto}
.tabs button{border:0;background:none;padding:10px 14px;font-weight:600;font-size:14px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs button.active{color:var(--accent-ink);border-bottom-color:var(--accent)}

/* ---------- calendar ---------- */
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
.cal .dh{font-size:11.5px;font-weight:700;text-transform:uppercase;color:var(--muted);text-align:center;padding:4px 0;letter-spacing:.05em}
.cal .day{min-height:88px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:6px;font-size:12px;display:flex;flex-direction:column;gap:4px}
.cal .day.today{border-color:var(--gold);box-shadow:0 0 0 2px var(--gold-soft)}
.cal .day.other{opacity:.45}
.cal .day .dn{font-weight:700;color:var(--text-2);font-size:12px}
.cal .ev{padding:3px 6px;border-radius:6px;font-size:11px;font-weight:600;background:var(--blue-soft);color:var(--blue-ink);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cal .ev.trial{background:var(--gold-soft);color:var(--gold-ink)} .cal .ev.class{background:var(--violet-soft);color:var(--violet)} .cal .ev.done{background:var(--bg-2);color:var(--muted)} .cal .ev.live{background:var(--green);color:#fff} .cal .ev.cancelled{text-decoration:line-through;opacity:.6}
.week{display:grid;grid-template-columns:60px repeat(7,minmax(0,1fr));gap:0;border:1px solid var(--border);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.week .wh{padding:8px 4px;font-size:11.5px;font-weight:700;text-align:center;color:var(--muted);border-bottom:1px solid var(--border);background:var(--surface-2)}
.week .wh b{display:block;font-size:15px;color:var(--text)}
.week .hour{font-size:11px;color:var(--muted);text-align:right;padding:2px 6px;border-top:1px solid var(--border);height:44px}
.week .cell{border-top:1px solid var(--border);border-left:1px solid var(--border);height:44px;position:relative}
.week .cell.avail{background:repeating-linear-gradient(135deg,#e2f6ec 0 6px,#eefaf3 6px 12px)}
.week .cell.busy{background:var(--gold-soft)}
.week .lesson{position:absolute;left:2px;right:2px;top:1px;border-radius:6px;padding:3px 6px;font-size:11px;font-weight:600;background:var(--blue);color:#fff;overflow:hidden;z-index:2;line-height:1.25;cursor:pointer}
.week .lesson.trial{background:var(--gold);color:#2f2205}.week .lesson.class{background:var(--violet)}.week .lesson.done{background:#9aa3b5}.week .lesson.live{background:var(--green)}
.slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px}
.slot{padding:10px 8px;text-align:center;border:1px solid var(--border-2);border-radius:10px;background:#fff;font-weight:600;font-size:14px;cursor:pointer;transition:.15s}
.slot:hover{border-color:var(--gold);background:var(--gold-soft)}
.slot.active{background:var(--text);color:#fff;border-color:var(--text)}
.slot small{display:block;font-weight:500;font-size:11px;color:var(--muted)}
.slot.active small{color:rgba(255,255,255,.7)}
.day-group{margin-bottom:16px}
.day-group h4{margin-bottom:8px;font-size:13.5px;color:var(--text-2)}

/* ---------- progress ---------- */
.progress{height:8px;background:var(--bg-2);border-radius:99px;overflow:hidden}
.progress span{display:block;height:100%;background:var(--green);border-radius:99px;transition:width .4s var(--ease)}
.progress.gold span{background:#a1b575}
.progress.lg{height:14px}
.ring{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:15px;background:conic-gradient(var(--green) calc(var(--p)*1%),var(--bg-2) 0)}
.ring::before{content:"";position:absolute;width:50px;height:50px;border-radius:50%;background:#fff}
.ring span{position:relative}
.ring{position:relative}
.stars{display:inline-flex;gap:2px}
.stars i{font-style:normal;color:#d9dde6;font-size:18px}
.stars i.on{color:var(--gold)}
.stars.big i{font-size:34px;cursor:pointer}

/* ---------- chess board ---------- */
.board-wrap{position:relative;width:100%;aspect-ratio:1/1;border-radius:8px;overflow:hidden;box-shadow:var(--shadow);background:#7e9374}
.board-wrap .cg-wrap{width:100%;height:100%}
.board-wrap.sm{border-radius:6px;box-shadow:var(--shadow-sm)}
.board-wrap .overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(20,26,43,.55);color:#fff;font-weight:800;font-size:22px;z-index:5;backdrop-filter:blur(2px);text-align:center;padding:12px;flex-direction:column;gap:8px}
.board-wrap .overlay.success{background:rgba(29,154,108,.75)} .board-wrap .overlay.fail{background:rgba(184,50,47,.7)}
.board-wrap .remark{position:absolute;left:50%;top:12px;transform:translateX(-50%);background:var(--accent);color:#fff;padding:10px 16px;border-radius:12px;font-weight:700;z-index:6;box-shadow:var(--shadow-lg);animation:rise .2s var(--ease);max-width:90%;text-align:center;border-left:4px solid var(--gold)}
.board-wrap .sticker-pop{position:absolute;right:10px;bottom:10px;font-size:48px;z-index:6;animation:pop .6s var(--ease)}
@keyframes pop{0%{transform:scale(.2);opacity:0}60%{transform:scale(1.2)}100%{transform:scale(1);opacity:1}}
.cg-wrap coords{display:none}
.moves{display:flex;flex-wrap:wrap;gap:4px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
.moves .mv{padding:2px 6px;border-radius:5px;cursor:pointer;background:var(--surface-2)}
.moves .mv.cur{background:var(--text);color:#fff}
.moves .no{color:var(--muted);padding:2px 2px}
.eval-bar{width:14px;background:var(--accent);border-radius:6px;overflow:hidden;position:relative}
.eval-bar span{position:absolute;bottom:0;left:0;right:0;background:#fff;transition:height .3s}
.side-pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600}
.side-pill i{width:12px;height:12px;border-radius:50%;border:1px solid #888;display:inline-block}
.side-pill.white i{background:#fff}.side-pill.black i{background:#222}

/* ---------- student (tablet) large mode ---------- */
.student .content{max-width:1100px}
.student .big-cta{display:flex;align-items:center;gap:18px;padding:26px;border-radius:24px;background:var(--accent);color:#fff;box-shadow:0 20px 50px -20px rgba(29,154,108,.7);cursor:pointer;transition:.2s var(--ease);border:0;width:100%;text-align:left;font:inherit}
.student .big-cta:hover{transform:translateY(-2px)}
.student .big-cta .t{font-size:26px;font-weight:800;line-height:1.1}
.student .big-cta .s{opacity:.9;font-size:15px;margin-top:4px}
.student .big-cta .ico{font-size:44px}
.student .big-cta.waiting{background:var(--accent);box-shadow:var(--shadow)}
.student .tile{padding:22px;border-radius:22px;background:var(--surface);border:1px solid var(--border);display:flex;flex-direction:column;gap:8px;cursor:pointer;transition:.18s var(--ease);min-height:150px;box-shadow:var(--shadow-sm)}
.student .tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.student .tile .ico{font-size:38px}
.student .tile b{font-size:19px}
.student .tile .sub{color:var(--muted);font-size:14px}
.stickers{display:flex;flex-wrap:wrap;gap:6px}
.stickers span{width:44px;height:44px;border-radius:12px;background:var(--gold-soft);display:grid;place-items:center;font-size:24px;animation:pop .5s var(--ease)}
.ach{display:flex;align-items:center;gap:12px;padding:12px;border-radius:14px;border:1px solid var(--border);background:var(--surface)}
.ach .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:var(--gold-soft)}
.ach.locked{opacity:.5;filter:grayscale(1)}

/* ---------- notifications ---------- */
.ntf{display:flex;gap:12px;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:var(--surface);align-items:flex-start}
.ntf.unread{background:#fffdf5;border-color:#f1dfae}
.ntf .dot{width:9px;height:9px;border-radius:50%;background:var(--gold);margin-top:6px;flex:0 0 9px}
.ntf.read .dot{background:var(--border-2)}
.ntf b{display:block;font-size:14px}
.ntf p{margin:2px 0 0;font-size:13px;color:var(--text-2)}
.ntf time{font-size:11.5px;color:var(--muted)}
.dropdown{position:absolute;right:0;top:calc(100% + 8px);width:min(380px,92vw);max-height:70vh;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-lg);padding:10px;z-index:50;display:flex;flex-direction:column;gap:8px}
.bell{position:relative}
.bell .badge.count{position:absolute;top:-4px;right:-4px}

/* ---------- misc ---------- */
.skeleton{background:linear-gradient(90deg,var(--bg-2) 25%,#f3f4f8 37%,var(--bg-2) 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:8px;min-height:14px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.divider{height:1px;background:var(--border);margin:14px 0}
.pill-steps{display:flex;gap:6px;flex-wrap:wrap}
.pill-steps span{padding:6px 12px;border-radius:99px;background:var(--bg-2);font-size:12.5px;font-weight:600;color:var(--muted)}
.pill-steps span.done{background:var(--green-soft);color:var(--green-ink)} .pill-steps span.cur{background:var(--text);color:#fff}
.timeline{display:flex;flex-direction:column;gap:0;position:relative;padding-left:22px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border)}
.timeline .ti{position:relative;padding:6px 0 14px}
.timeline .ti::before{content:"";position:absolute;left:-19px;top:11px;width:10px;height:10px;border-radius:50%;background:var(--border-2);border:2px solid #fff;box-shadow:0 0 0 2px var(--border)}
.timeline .ti.done::before{background:var(--green)} .timeline .ti.cur::before{background:var(--gold)}
.mail{white-space:pre-wrap;font-size:13.5px;line-height:1.6;background:var(--surface-2);padding:14px;border-radius:10px;border:1px solid var(--border)}
.code-box{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:26px;font-weight:800;letter-spacing:.2em;background:var(--accent);color:var(--gold);padding:14px 20px;border-radius:14px;text-align:center}
.two-col{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:18px}
@media (max-width:900px){.two-col{grid-template-columns:1fr}}
.sticky-side{position:sticky;top:calc(var(--header-h) + 14px)}
.hero-band{border-radius:var(--r-lg);padding:26px;background:var(--accent);color:#fff;position:relative;overflow:hidden}
.hero-band::after{content:"♞";position:absolute;right:20px;bottom:-30px;font-size:160px;opacity:.08}
.hero-band h2{font-size:24px;margin-bottom:6px}
.hero-band .muted{color:rgba(255,255,255,.7)}
.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.auth-side{background:linear-gradient(160deg,#0f1320,#1b2233 60%,#2b2416);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.auth-side .big{font-family:var(--font-display);font-size:40px;line-height:1.1;font-weight:700;max-width:420px}
.auth-side .muted{color:rgba(255,255,255,.6)}
.auth-side .deco{position:absolute;right:-60px;bottom:-60px;width:320px;height:320px;border-radius:40px;background:repeating-conic-gradient(rgba(212,165,58,.18) 0 25%,transparent 0 50%);background-size:80px 80px;transform:rotate(15deg);opacity:.7}
.auth-form{display:flex;align-items:center;justify-content:center;padding:32px 20px}
.auth-form .card{width:100%;max-width:440px}
@media (max-width:860px){.auth-page{grid-template-columns:1fr}.auth-side{display:none}}
.role-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:18px}
.role-tabs button{padding:12px;border-radius:12px;border:1px solid var(--border-2);background:#fff;font-weight:700;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:14px}
.role-tabs button small{font-weight:500;color:var(--muted);font-size:11.5px}
.role-tabs button.active{border-color:var(--gold);background:var(--gold-soft)}
.avatars{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.avatars button{aspect-ratio:1;border-radius:14px;border:2px solid var(--border);background:#fff;font-size:28px;cursor:pointer}
.avatars button.active{border-color:var(--gold);background:var(--gold-soft)}
.plan{border:2px solid var(--border);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:10px;background:#fff;position:relative;transition:.15s}
.plan.popular{border-color:var(--gold);box-shadow:0 12px 40px -16px rgba(212,165,58,.6)}
.plan .price{font-size:32px;font-weight:800;letter-spacing:-.02em}
.plan .price small{font-size:13px;color:var(--muted);font-weight:500}
.plan .tag{position:absolute;top:-12px;left:20px}
.plan ul{margin:0;padding-left:18px;font-size:13.5px;color:var(--text-2)}
.card-visual{background:var(--accent);color:#fff;border-radius:16px;padding:18px;font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.1em;box-shadow:var(--shadow)}
.hand-queue{display:flex;flex-direction:column;gap:6px}
.checklist label{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;border:1px solid var(--border);margin-bottom:6px;cursor:pointer}
.checklist label:hover{background:var(--surface-2)}
.drag-list{min-height:60px;border:2px dashed var(--border-2);border-radius:12px;padding:8px;display:flex;flex-direction:column;gap:6px;transition:.15s}
.drag-list.over{border-color:var(--gold);background:var(--gold-soft)}
.drag-item{padding:8px 10px;border-radius:10px;background:#fff;border:1px solid var(--border);cursor:grab;display:flex;align-items:center;gap:8px;font-size:13px}
.drag-item.conflict{border-color:var(--danger);background:var(--danger-soft)}
.replay-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
input[type=range]{accent-color:var(--accent);width:100%}
.print-only{display:none}
@media print{.sidenav,.topbar,.no-print{display:none!important}.shell{grid-template-columns:1fr}.print-only{display:block}}