@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700&display=swap');
:root{--bg:#171717;--panel:#232323;--panel2:#2c2c2c;--text:#f0f0f0;--muted:#b3b3b3;--line:#414141;--accent:#5fd38d;--button:#5a5a5a;--button-dark:#303030;--danger:#7b3e3e}
*{box-sizing:border-box} html,body{margin:0;padding:0;width:100%;min-height:100%}
body{background:linear-gradient(180deg,#181818,#232323);color:var(--text);font-family:'Orbitron',sans-serif}
h1,h2,h3,p{margin-top:0}
.center-screen{min-height:100vh;display:grid;place-items:center;padding:20px}
.phone-shell{width:min(100%,520px)}
.hero-card,.board-shell,.control-shell,.admin-card{background:rgba(34,34,34,.95);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 16px 48px rgba(0,0,0,.3)}
.eyebrow{color:var(--muted);font-size:12px;letter-spacing:2px;margin-bottom:12px}
.muted{color:var(--muted);line-height:1.6}
.button-stack{display:grid;gap:14px;margin-top:24px}
.big-button,.access-button,.back-button,.mode-button{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:56px;border-radius:16px;border:1px solid #666;background:var(--button);color:white;text-decoration:none;font-weight:700;cursor:pointer;font-family:'Orbitron',sans-serif}
.big-button.secondary{background:var(--button-dark)} .big-button.danger{background:var(--danger)}
.access-button.ready{background:var(--accent);border-color:var(--accent);color:#102215}.access-button:disabled{cursor:not-allowed;opacity:1}.disabled-look{background:#555}
.mode-button{min-height:48px;font-size:13px;padding:0 10px;background:var(--button-dark)} .mode-button.active{background:var(--accent);border-color:var(--accent);color:#102215}
.toggle-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.text-input{width:100%;min-height:48px;border-radius:14px;border:1px solid var(--line);background:var(--panel2);color:white;padding:0 14px;font-family:'Orbitron',sans-serif}
.app-layout{min-height:100vh;display:grid;grid-template-columns:70% 30%}
.camera-panel{position:relative;background:black;min-height:100vh}
video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.camera-overlay{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.scanner-box{width:min(42vw,430px);height:min(58vw,540px);border:2px solid rgba(255,255,255,.65);border-radius:26px;box-shadow:0 0 0 200vmax rgba(0,0,0,.18)}
.mini-scanner-box{width:min(70%,240px);height:min(80%,300px);box-shadow:0 0 0 200vmax rgba(0,0,0,.12)}
.side-panel{padding:18px 14px;background:rgba(26,26,26,.96);border-left:1px solid var(--line);display:flex;flex-direction:column;gap:12px;justify-content:center}
.panel-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px}
.panel-label{color:var(--muted);font-size:12px;margin-bottom:8px}
.panel-value{font-size:16px;line-height:1.4;word-break:break-word}
.board-page,.admin-page{min-height:100vh;padding:24px;display:grid;place-items:center;position:relative}
.board-layout{width:min(96vw,1500px);display:grid;grid-template-columns:minmax(0,1.6fr) minmax(360px,.9fr);gap:20px;align-items:start}
.board-shell-large{min-height:82vh}
.message-list{min-height:58vh;width:100%;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:16px;overflow:auto;font-size:1.05rem}
.message-row{padding:12px 0;border-bottom:1px solid #353535}
.message-time{color:var(--muted);font-size:12px;margin-top:4px}
.message-form{display:grid;grid-template-columns:1fr 180px;gap:12px;align-items:center}
.text-input-large{min-height:60px;font-size:1rem}
.send-button{min-height:60px}
.button-column{display:grid;gap:10px}
.camera-mini{width:100%;aspect-ratio:4/3;overflow:hidden;border-radius:18px;border:1px solid var(--line);background:#000;margin-bottom:14px;position:relative}
.vector-box{margin:0;white-space:pre-wrap;word-break:break-word;max-height:300px;overflow:auto;font-size:12px;line-height:1.4;background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:12px}
.metrics-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px} .metrics-grid-3{grid-template-columns:1fr 1fr 1fr}
.hidden{display:none}
.back-button{position:absolute;top:18px;left:18px;z-index:20;width:auto;min-width:110px;padding:0 14px;background:var(--button);color:white;text-decoration:none}
.back-button:visited,.back-button:hover,.back-button:active{color:white;text-decoration:none}.board-back{position:fixed}

.admin-topbar{width:min(96vw,1600px);display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}
.admin-layout{width:min(96vw,1600px);display:grid;grid-template-columns:300px 1fr 1.2fr;gap:20px;align-items:start}
.admin-list{display:grid;gap:10px;max-height:75vh;overflow:auto}
.admin-row{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:12px}
.admin-row.selected{outline:2px solid var(--accent)}
.admin-actions{margin:14px 0}
.admin-inline{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.small-btn{min-height:44px}
.admin-textarea{width:100%;min-height:90px;border-radius:12px;border:1px solid var(--line);background:#1f1f1f;color:#fff;padding:10px;font-family:inherit;margin-top:8px}
.admin-live-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;border:1px solid var(--line);background:#000}
.small-vector{max-height:220px}
.admin-logout{position:static;min-width:120px}

@media (max-width:1400px){.admin-layout{grid-template-columns:1fr}}
@media (max-width:1200px){.board-layout{grid-template-columns:1fr}}
@media (max-width:900px){
  .app-layout{grid-template-columns:1fr;grid-template-rows:70vh auto}
  .camera-panel{min-height:70vh}
  .side-panel{border-left:none;border-top:1px solid var(--line)}
  .scanner-box{width:min(80vw,280px);height:min(80vw,360px)}
  .message-list{min-height:280px;font-size:1rem}
  .message-form{grid-template-columns:1fr auto}
  .back-button{min-width:90px;min-height:44px;font-size:14px}
  .toggle-row,.metrics-grid,.metrics-grid-3{grid-template-columns:1fr}
  .admin-topbar{flex-direction:column;gap:12px}
}