body{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
.room-wrap.container{width:min(1420px,calc(100% - 40px));margin:0 auto;padding-bottom:40px}
.room-grid{display:grid;grid-template-columns:3fr 1fr;grid-template-areas:"main cd";gap:25px;align-items:start}
.room-main-column{grid-area:main;display:grid;gap:25px;align-content:start;min-width:0}
.viewer-panel{min-width:0}.cd-panel{grid-area:cd;min-width:0}.info-panel{min-width:0}
.viewer-title{font-size:22px;font-weight:700;color:var(--primary-color);margin-bottom:15px;line-height:1.4;padding-left:5px}
.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:18px;box-shadow:var(--shadow-sm);overflow:hidden}
.viewer-frame{position:relative;width:100%;aspect-ratio:16/9;background:var(--bg-body)}
.drive-popout-mask{position:absolute;top:0;right:0;width:60px;height:60px;background:var(--bg-card);border-bottom-left-radius:16px;z-index:4}
.viewer-placeholder{position:absolute;inset:0;display:grid;place-items:center;padding:20px;text-align:center;color:var(--text-sub);font-weight:600;font-size:16px}
.viewer-frame iframe{width:100%;height:100%;position:absolute;top:0;left:0;border:0;display:none;background:#fff}
.cd-list{overflow:visible}
.cd-item{border-bottom:1px solid var(--border-color);transition:.2s}.cd-item:last-child{border-bottom:none}
.cd-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px;cursor:pointer}.cd-head:hover{background:var(--bg-body)}
.cd-title-btn{flex:1;border:none;background:0 0;text-align:left;font-size:16px;font-weight:600;color:var(--text-main);cursor:pointer;line-height:1.5;transition:.2s}
.cd-item[data-active=true]{background:var(--bg-body);border-left:4px solid var(--primary-color)}
.cd-item[data-active=true] .cd-title-btn{color:var(--primary-color);font-size:18px;font-weight:700}
.cd-toggle{width:32px;height:32px;border-radius:8px;border:1px solid var(--border-color);background:var(--bg-card);display:grid;place-items:center;transition:.2s;color:var(--text-main);flex-shrink:0}
.chev{transition:.2s}.cd-item[data-open=true] .chev{transform:rotate(180deg)}
.cd-body{display:none;padding:0 15px 15px}.cd-item[data-open=true] .cd-body{display:block}
.actions {display:grid;grid-template-columns:1fr 1fr;gap:1px 15px}
.btn{border:none;border-radius:8px;padding:10px;font-size:14px;font-weight:600;cursor:pointer;transition:.2s;text-align:center}.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-doc{background:#e0f2fe;color:#0284c7}.btn-doc:hover:not(:disabled){background:#bae6fd}
.btn-exam{background:#fee2e2;color:#dc2626}.btn-exam:hover{background:#fecaca}
.btn-exam[data-auth-state=guest]{background:#eff6ff;color:#1d4ed8}
.btn-exam[data-auth-state=guest]:hover{background:#dbeafe}
.btn-exam[data-auth-state=resume]{background:#dcfce7;color:#166534}
.btn-exam[data-auth-state=resume]:hover{background:#bbf7d0}
.btn-exam[data-auth-state=trial]{background:#ede9fe;color:#6d28d9}
.btn-exam[data-auth-state=trial]:hover{background:#ddd6fe}
.btn-exam[data-auth-state=cooldown]{background:#fffbeb;color:#a16207;opacity:.92}
.btn-exam[data-auth-state=cooldown]:hover{background:#fef3c7}
.btn-exam[data-auth-state=trial-exhausted]{background:#f3f4f6;color:#6b7280;opacity:.8;cursor:help}
.btn-exam[data-auth-state=trial-exhausted]:hover{background:#e5e7eb}
.btn-exam[data-auth-state=forbidden]{opacity:.5;cursor:help}
.btn-exam[data-auth-state=forbidden]:hover{background:#fee2e2;opacity:.65}
.info-card{padding:20px}
.info-table{width:100%;border-collapse:collapse;font-size:15px}
.info-table td{padding:12px 0;border-bottom:1px solid var(--border-color);vertical-align:top;color:var(--text-main)}.info-table tr:last-child td{border-bottom:none}
.info-table td:first-child{width:140px;color:var(--text-sub);font-weight:600}
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);background:var(--secondary-color);color:#fff;padding:12px 24px;border-radius:50px;font-weight:600;opacity:0;pointer-events:auto;cursor:copy;transition:.3s;z-index:1000;box-shadow:0 10px 15px -3px rgba(0,0,0,.1)}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.toast.is-copied{box-shadow:0 0 0 3px rgba(14,165,233,.22),0 10px 15px -3px rgba(0,0,0,.1)}
.dialog-open{overflow:hidden}
.exam-access-dialog{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:24px;z-index:1200}
.exam-access-dialog.is-open{display:flex}
.exam-access-dialog__backdrop{position:absolute;inset:0;background:rgba(15,23,42,.38);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px)}
.exam-access-dialog__panel{position:relative;z-index:1;width:min(100%,520px);padding:28px;border:1px solid rgba(148,163,184,.28);border-radius:24px;background:rgba(255,255,255,.96);box-shadow:0 30px 80px rgba(15,23,42,.22);display:grid;gap:16px}
.dark-mode .exam-access-dialog__panel{background:var(--bg-elevated);border-color:var(--border-color);box-shadow:0 32px 90px rgba(0,0,0,.48)}
.exam-access-dialog__badge{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:#1d4ed8}
.exam-access-dialog__badge::before{content:"";width:24px;height:24px;border-radius:999px;border:3px solid currentColor;box-sizing:border-box}
.exam-access-dialog__badge[data-tone=warning]{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#b45309}
.exam-access-dialog__badge[data-tone=warning]::before{border-radius:4px;border-width:0;background:currentColor;clip-path:polygon(50% 0,100% 100%,0 100%)}
.exam-access-dialog__badge[data-tone=success]{background:linear-gradient(135deg,#dcfce7,#bbf7d0);color:#15803d}
.exam-access-dialog__badge[data-tone=success]::before{border-width:0;border-radius:0;background:currentColor;clip-path:polygon(14% 54%,27% 41%,43% 58%,73% 28%,86% 40%,43% 82%)}
.exam-access-dialog__title{margin:0;font-size:24px;line-height:1.3;color:var(--text-main)}
.exam-access-dialog__message{margin:0;font-size:15px;line-height:1.75;color:var(--text-sub)}
.exam-access-dialog__actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}
.exam-access-dialog__button{min-width:130px;border:none;border-radius:999px;padding:12px 18px;font-size:14px;font-weight:700;cursor:pointer;transition:.2s}
.exam-access-dialog__button:focus-visible{outline:3px solid rgba(59,130,246,.3);outline-offset:2px}
.exam-access-dialog__button--ghost{background:rgba(148,163,184,.12);color:var(--text-main)}
.exam-access-dialog__button--ghost:hover{background:rgba(148,163,184,.2)}
.exam-access-dialog__button--danger{background:rgba(198,58,50,.12);color:#b42318}
.exam-access-dialog__button--danger:hover{background:rgba(198,58,50,.2)}
.exam-access-dialog__button--primary{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff}
.exam-access-dialog__button--primary:hover{filter:brightness(1.05)}
@media(max-width:1024px){
.room-grid{grid-template-columns:1fr;grid-template-rows:auto;grid-template-areas:"viewer" "cd" "info"}
.room-main-column{display:contents}
.viewer-panel{grid-area:viewer}.info-panel{grid-area:info}
.room-wrap.container{width:calc(100% - 60px)}
.viewer-frame{aspect-ratio:auto;height:300px}
}
@media(max-width:640px){
.exam-access-dialog{padding:16px}
.exam-access-dialog__panel{padding:22px;border-radius:20px}
.exam-access-dialog__title{font-size:21px}
.exam-access-dialog__actions{justify-content:stretch}
.exam-access-dialog__button{width:100%}
}