*{box-sizing:border-box}html,body{margin:0;padding:0;background:#101116;color:#fff;font-family:'Archivo',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
input,textarea,select{font-family:inherit}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;padding:0}
a{color:#8fb0ff}::selection{background:#2e6bff55}
@keyframes wl-drift{to{transform:translateX(-50%)}}
@keyframes wl-bloom{0%{transform:scale(.25);opacity:0}55%{opacity:1}100%{transform:scale(1);opacity:1}}
@keyframes wl-pop{0%{transform:translateY(16px) scale(.96);opacity:0}100%{transform:none;opacity:1}}
@keyframes wl-glow{0%,100%{box-shadow:0 0 60px 4px var(--c),inset 0 0 40px rgba(255,255,255,.35)}50%{box-shadow:0 0 120px 22px var(--c),inset 0 0 60px rgba(255,255,255,.5)}}
@keyframes wl-ring{0%{transform:scale(.55);opacity:.65}100%{transform:scale(2.1);opacity:0}}
@keyframes wl-float{0%{transform:translateY(10px);opacity:0}100%{transform:none;opacity:1}}
@keyframes wl-livedot{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes wl-sheet{0%{transform:translateY(100%)}100%{transform:none}}
.mono{font-family:'DM Mono',ui-monospace,monospace}
.dots{display:flex;gap:7px}.dots span{width:14px;height:14px;border-radius:50%}
.dark-bg{background:radial-gradient(130% 90% at 50% -10%,#1c1f2b 0%,#0c0d12 70%)}
.color-bg{background:radial-gradient(130% 100% at 50% 0%,var(--c) 0%,var(--cd) 78%)}

/* student shell */
.phone{min-height:100vh;min-height:100dvh;max-width:520px;margin:0 auto;display:flex;flex-direction:column;position:relative}
.pad{padding:28px 26px 30px;display:flex;flex-direction:column;flex:1}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:rgba(255,255,255,.55)}
.h1{font-size:34px;font-weight:900;letter-spacing:-1px;line-height:1.05;margin:8px 0 0}
.sub{font-size:15.5px;color:rgba(255,255,255,.65);line-height:1.45;margin-top:10px}
.btn{width:100%;min-height:56px;border-radius:18px;font-size:17px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:10px;padding:0 18px}
.btn-white{background:#fff;color:#0c0d12}.btn-ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff}
.btn-blue{background:#2e6bff;color:#fff}.btn[disabled]{opacity:.4;cursor:default}
.btn-sm{min-height:44px;border-radius:12px;font-size:14px;font-weight:800;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.field{width:100%;padding:15px 16px;border-radius:14px;background:rgba(255,255,255,.07);border:1.5px solid rgba(255,255,255,.16);color:#fff;font-size:16px;outline:none}
.field:focus{border-color:rgba(255,255,255,.45)}
/* Example text in empty fields: clearly dimmer and italic, so it never reads as a real value. */
.field::placeholder{color:rgba(255,255,255,.32);font-style:italic;font-weight:400;letter-spacing:normal;text-transform:none;opacity:1}
.card-white .field::placeholder{color:rgba(16,17,22,.38)}
.live-tag{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:#54d68d}.live-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor;animation:wl-livedot 1.4s infinite}
textarea.field{resize:vertical;line-height:1.45}
.label-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px;font-size:14px;font-weight:800}
.chip{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.3px;padding:5px 10px;border-radius:20px;white-space:nowrap}
.card{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.2);border-radius:24px;padding:20px}
.card-white{background:#fff;color:var(--cd);border-radius:22px;padding:20px}
.toggle{width:48px;height:28px;border-radius:14px;padding:3px;flex-shrink:0;display:flex}.toggle span{width:22px;height:22px;border-radius:50%;background:#fff}
.err{color:#ffb3aa;font-size:14px;margin-top:10px;line-height:1.4}
.tabbar{flex-shrink:0;height:calc(70px + env(safe-area-inset-bottom));background:rgba(12,13,18,.4);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid rgba(255,255,255,.14);display:flex;padding:8px 8px calc(8px + env(safe-area-inset-bottom))}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;font-size:12px;font-weight:700}
.sheet-wrap{position:fixed;inset:0;z-index:80;display:flex;flex-direction:column;justify-content:flex-end}
.sheet-wrap>.scrim{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.sheet{position:relative;background:#15161d;color:#fff;border-radius:28px 28px 0 0;max-height:88vh;overflow-y:auto;padding:16px 22px 30px;animation:wl-sheet .35s cubic-bezier(.4,0,.2,1) both;max-width:640px;width:100%;margin:0 auto}
.grab{width:42px;height:5px;border-radius:3px;background:rgba(255,255,255,.25);margin:0 auto 16px}
.orb{border-radius:50%;background:radial-gradient(circle at 38% 32%,#fff 0%,var(--cs) 30%,var(--c) 100%);display:flex;align-items:center;justify-content:center;color:var(--cd)}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:200;background:#101116;color:#fff;border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:13px 18px;font-weight:700;font-size:14.5px;box-shadow:0 16px 40px rgba(0,0,0,.45);animation:wl-float .3s both;max-width:90vw;text-align:center}
.netpill{display:flex;align-items:center;gap:9px;background:rgba(0,0,0,.3);border-radius:12px;padding:9px 12px;font-size:13px;font-weight:600;color:rgba(255,255,255,.9);line-height:1.35}

/* facilitator */
.t-shell{min-height:100vh;display:flex;flex-direction:column}
.t-top{display:flex;align-items:center;gap:14px;padding:12px 20px;border-bottom:1px solid rgba(255,255,255,.07);flex-wrap:wrap}
.t-body{flex:1;display:flex;min-height:0}
.t-nav{width:200px;flex-shrink:0;border-right:1px solid rgba(255,255,255,.07);padding:16px 12px;display:flex;flex-direction:column;gap:4px}
.t-nav button{min-height:44px;padding:0 14px;border-radius:12px;text-align:left;font-size:15px;font-weight:700;color:rgba(255,255,255,.6)}
.t-nav button.on{background:rgba(46,107,255,.16);color:#fff}
.t-main{flex:1;min-width:0;padding:22px 24px 40px;overflow-y:auto}
.panel{background:#1a1c24;border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:18px}
.k{font-size:12px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:rgba(255,255,255,.5)}
.grid2{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:16px;align-items:start}
.grid-run{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start}
.grid-ag{display:grid;grid-template-columns:220px minmax(0,1fr) 340px;gap:16px;align-items:start}
.col{display:flex;flex-direction:column;gap:14px}
.gbtn{min-height:44px;padding:0 16px;border-radius:12px;background:rgba(255,255,255,.07);font-size:14px;font-weight:800;border:1px solid rgba(255,255,255,.08)}
.gbtn.blue{background:#2e6bff;border-color:#2e6bff}.gbtn.gold{background:#f5a300;color:#1a1206;border-color:#f5a300}
.bar{height:8px;border-radius:4px;background:rgba(255,255,255,.1);overflow:hidden}.bar>div{height:100%}
.board{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;align-items:start}
.member{min-height:38px;display:flex;align-items:center;gap:6px;padding:0 10px;border-radius:10px;text-align:left;width:100%;cursor:grab}
.t-tabs{display:none}
@media (max-width:980px){.grid2,.grid-run,.grid-ag{grid-template-columns:minmax(0,1fr)}}
@media (max-width:760px){
  .t-nav{display:none}.t-main{padding:16px 14px 100px}
  .t-tabs{display:flex;position:fixed;left:0;right:0;bottom:0;height:72px;background:#14151b;border-top:1px solid rgba(255,255,255,.1);padding:6px 4px 14px;z-index:30}
  .t-tabs button{flex:1;font-size:12px;font-weight:700;color:rgba(255,255,255,.55)}.t-tabs button.on{color:#8fb0ff}
  .t-top{padding:10px 14px}.hide-sm{display:none!important}
}
/* projector */
.screen{position:fixed;inset:0;background:#0c0d12;color:#fff;overflow:hidden}