/* Shared look for the product demos (Devanova Learn, Devanova School). Light, app-like, phone first. */
:root{--ac:#0F766E;--ac2:#E6B54A;--ac-soft:#E6F4F2;--bg:#F4F7F8;--card:#fff;--ink:#14262B;--mut:#5E7378;--line:#DCE5E7;--ok:#16A34A;--warn:#D97706;--bad:#DC2626;--r:14px;color-scheme:light}
.sch{--ac:#1D4ED8;--ac-soft:#E8EEFD}
*{box-sizing:border-box}
html,body{margin:0}
body.demo{font:15px/1.5 'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--ink);min-height:100vh;-webkit-text-size-adjust:100%}
.demo button,.demo input,.demo select,.demo textarea{font:inherit;color:inherit}
.demo button{cursor:pointer}
.demo h1,.demo h2,.demo h3{margin:0;line-height:1.25}
.demo a{color:var(--ac)}
.dbar{position:sticky;top:0;z-index:30;background:#0B2A30;color:#fff;display:flex;gap:10px;align-items:center;justify-content:space-between;padding:8px 14px;font-size:13px;flex-wrap:wrap}
.dbar b{color:#FFE08A}
.dbar a.req{background:#E6B54A;color:#2A1A00;text-decoration:none;font-weight:700;border-radius:999px;padding:6px 14px}
.dbar a.back{color:#BFE9EC;text-decoration:none}
.app{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 44px)}
.side{background:var(--card);border-right:1px solid var(--line);padding:16px 12px;position:sticky;top:44px;height:calc(100vh - 44px);overflow:auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;margin:2px 6px 14px}
.logo i{width:34px;height:34px;border-radius:10px;background:var(--ac);color:#fff;display:grid;place-items:center;font-style:normal}
.role{display:grid;grid-auto-flow:column;gap:4px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:4px;margin-bottom:14px}
.role button{border:0;background:transparent;border-radius:9px;padding:8px 6px;font-weight:700;font-size:13px;color:var(--mut)}
.role button[aria-pressed=true]{background:var(--ac);color:#fff}
.nav{display:grid;gap:2px}
.nav button{display:flex;align-items:center;gap:10px;border:0;background:transparent;border-radius:10px;padding:10px 12px;text-align:left;font-weight:600;color:var(--mut)}
.nav button[aria-current=page]{background:var(--ac-soft);color:var(--ac)}
.nav svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.main{padding:22px clamp(14px,3vw,32px) 90px;min-width:0}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.top h1{font-size:clamp(20px,3.2vw,26px)}
.top p{margin:2px 0 0;color:var(--mut);font-size:14px}
.who{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px}
.av{width:36px;height:36px;border-radius:50%;background:var(--ac);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;flex:none}
.av.s{width:30px;height:30px;font-size:12px}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.card h3{font-size:16px;margin-bottom:10px}
.card.hero{background:linear-gradient(135deg,var(--ac),#164E63);color:#fff;border:0}
.sch .card.hero{background:linear-gradient(135deg,#1D4ED8,#0E7490)}
.card.hero .mut{color:#D5ECEE}
.stat b{display:block;font-size:26px;line-height:1.1}
.stat span{color:var(--mut);font-size:13px}
.mut{color:var(--mut)}
.sm{font-size:13px}
.chip{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:700;background:var(--ac-soft);color:var(--ac)}
.chip.ok{background:#DCFCE7;color:#166534}.chip.warn{background:#FEF3C7;color:#92400E}.chip.bad{background:#FEE2E2;color:#991B1B}.chip.gray{background:#EEF2F3;color:#4B5E63}
.btn{border:0;border-radius:999px;background:var(--ac);color:#fff;font-weight:700;padding:9px 18px;min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none}
.btn.gold{background:var(--ac2);color:#2A1A00}.btn.line{background:#fff;color:var(--ac);border:1.5px solid var(--ac)}.btn.sm{padding:6px 14px;min-height:34px;font-size:13px}.btn.bad{background:#fff;color:var(--bad);border:1.5px solid #F3B4B4}
.btn[disabled]{opacity:.5}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.sp{flex:1}
.list{display:grid;gap:10px}
.item{display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff}
.item .ic{width:40px;height:40px;border-radius:10px;background:var(--ac-soft);color:var(--ac);display:grid;place-items:center;flex:none;font-weight:800}
.item .tx{flex:1;min-width:0}.item .tx b{display:block}
.bar{height:8px;border-radius:99px;background:#E4ECEE;overflow:hidden}.bar i{display:block;height:100%;background:var(--ac);border-radius:99px}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;color:var(--mut);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.04em;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:10px;border-bottom:1px solid #EEF3F4;vertical-align:middle}
.tw{overflow:auto;margin:0 -4px}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff;min-height:42px}
textarea{min-height:90px;resize:vertical}
label{display:block;font-size:13px;color:var(--mut);font-weight:600;margin-bottom:4px}
.f{display:grid;gap:12px}
input.mk{width:70px;padding:6px 8px;min-height:34px;text-align:center}
.ring{--p:70;width:84px;height:84px;border-radius:50%;background:conic-gradient(var(--ac) calc(var(--p)*1%),#E4ECEE 0);display:grid;place-items:center;flex:none}
.ring span{width:64px;height:64px;border-radius:50%;background:#fff;display:grid;place-items:center;font-weight:800}
.card.hero .ring span{color:var(--ink)}
.chart{display:flex;align-items:flex-end;gap:10px;height:150px;padding-top:10px}
.chart div{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;height:100%;font-size:12px;color:var(--mut)}
.chart i{display:block;width:100%;max-width:38px;background:var(--ac);border-radius:8px 8px 0 0;min-height:4px}
.vid{aspect-ratio:16/9;border-radius:12px;background:linear-gradient(135deg,#0F2C33,#1B4B55);color:#fff;display:grid;place-items:center;position:relative;overflow:hidden}
.vid .play{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center;font-size:26px}
.vid small{position:absolute;left:12px;bottom:10px;opacity:.85}
.live{display:grid;grid-template-columns:1fr 300px;gap:14px}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tile{aspect-ratio:4/3;border-radius:10px;background:#1B3B43;color:#fff;display:grid;place-items:center;font-weight:800;position:relative;font-size:20px}
.tile small{position:absolute;left:8px;bottom:6px;font-size:11px;font-weight:600;opacity:.9}
.tile.me{outline:2px solid var(--ac2)}
.stage{aspect-ratio:16/9;border-radius:12px;background:#10262C;color:#fff;display:grid;place-items:center;text-align:center;padding:16px;margin-bottom:8px}
.chat{display:flex;flex-direction:column;height:360px}.chat .log{flex:1;overflow:auto;display:grid;gap:8px;align-content:start;padding-bottom:8px}
.chat .m{background:#F0F5F6;border-radius:12px;padding:8px 10px;font-size:14px}.chat .m b{font-size:12px;color:var(--ac)}
.ctrl{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.opt{display:block;width:100%;text-align:left;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:12px;margin-bottom:8px;font-weight:600}
.opt.on{border-color:var(--ac);background:var(--ac-soft)}.opt.right{border-color:var(--ok);background:#DCFCE7}.opt.wrong{border-color:var(--bad);background:#FEE2E2}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-weight:700;font-size:13px}
.seg button[aria-pressed=true]{background:var(--ac);border-color:var(--ac);color:#fff}
.pa{display:inline-grid;grid-auto-flow:column;gap:4px}
.pa button{width:40px;height:36px;border-radius:9px;border:1.5px solid var(--line);background:#fff;font-weight:800}
.pa button.P[aria-pressed=true]{background:#16A34A;border-color:#16A34A;color:#fff}.pa button.A[aria-pressed=true]{background:#DC2626;border-color:#DC2626;color:#fff}.pa button.L[aria-pressed=true]{background:#D97706;border-color:#D97706;color:#fff}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center}
.cal b{font-size:12px;color:var(--mut)}.cal i{font-style:normal;aspect-ratio:1;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:700;background:#F0F5F6;color:#8AA0A5}
.cal i.p{background:#DCFCE7;color:#166534}.cal i.a{background:#FEE2E2;color:#991B1B}.cal i.h{background:#E9ECF5;color:#6B7190}.cal i.l{background:#FEF3C7;color:#92400E}
.slots{display:flex;gap:8px;flex-wrap:wrap}.slots button{border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;font-weight:700}
.slots button[aria-pressed=true]{background:var(--ac);border-color:var(--ac);color:#fff}.slots button[disabled]{opacity:.4;text-decoration:line-through}
.rc{border:2px solid var(--ink);border-radius:6px;padding:18px;background:#fff}
.rc h2{text-align:center;font-size:20px}.rc .sub{text-align:center;color:var(--mut);margin-bottom:12px}
.phone{max-width:420px;margin:0 auto;border:10px solid #14262B;border-radius:34px;background:var(--bg);overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.18)}
.toast{position:fixed;left:50%;bottom:86px;transform:translateX(-50%);background:#14262B;color:#fff;border-radius:999px;padding:11px 18px;font-weight:600;z-index:60;max-width:92vw;text-align:center;font-size:14px}
.modal{position:fixed;inset:0;background:rgba(10,30,36,.55);display:grid;place-items:center;z-index:50;padding:16px}
.modal>div{background:#fff;border-radius:18px;padding:22px;max-width:420px;width:100%}
.tabs{display:none}
@media (max-width:860px){
 .app{grid-template-columns:1fr}
 .side{position:fixed;left:0;right:0;bottom:0;top:auto;height:auto;z-index:40;border-right:0;border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom));display:block;overflow:visible}
 .side .logo,.side .role{display:none}
 .nav{grid-auto-flow:column;grid-auto-columns:1fr;gap:0;overflow-x:auto}
 .nav button{flex-direction:column;gap:2px;font-size:11px;padding:6px 2px;text-align:center;min-width:64px;align-items:center}
 .tabs{display:grid;grid-auto-flow:column;gap:4px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px;margin-bottom:14px}
 .tabs button{border:0;background:transparent;border-radius:9px;padding:8px 4px;font-weight:700;font-size:13px;color:var(--mut)}
 .tabs button[aria-pressed=true]{background:var(--ac);color:#fff}
 .g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .live{grid-template-columns:1fr}
 .tiles{grid-template-columns:repeat(3,1fr)}
 .toast{bottom:92px}
}
@media (max-width:520px){.g2,.g3,.g4{grid-template-columns:1fr}.g4.keep,.g3.keep{grid-template-columns:repeat(2,minmax(0,1fr))}.main{padding-top:14px}}
@media (max-width:520px){.phone{border:0;border-radius:0;box-shadow:none;margin:0 -14px;max-width:none;background:transparent}}
@media print{.dbar,.side,.top .btn,.no-print{display:none!important}.app{display:block}.main{padding:0}}