.classroom-page[data-v-588e3410]{width:100%;min-height:100vh;margin:0;box-sizing:border-box}.classroom-page.immersive[data-v-588e3410]{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;z-index:10;overflow:hidden;background:#020617}.teacher-shell[data-v-588e3410]{padding:16px;display:grid;gap:16px}.classroom-page.immersive .teacher-shell[data-v-588e3410]{position:relative;margin:0;padding:0;height:100vh;overflow:hidden;display:block}.classroom-page.immersive .classroom-head[data-v-588e3410]{position:absolute;z-index:3;margin:0;padding:10px 12px;border-radius:14px;background:#0f172a9e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);color:#fff}.classroom-page.immersive .classroom-head h1[data-v-588e3410]{color:#fff}.classroom-page.immersive .classroom-head p[data-v-588e3410]{color:#ffffffc7}.classroom-page.immersive .leave-btn[data-v-588e3410]{border-color:#ffffff40;background:#ffffff1f;color:#fff}.teacher-floating-card[data-v-588e3410]{width:min(300px,calc(100vw - 28px));display:grid;gap:6px;box-sizing:border-box;padding:8px 10px}.teacher-head-drag-handle[data-v-588e3410]{width:24px;height:24px;border-radius:999px;display:inline-flex;justify-content:center;align-items:center;background:#ffffff24;color:#fff;cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none}.teacher-head-drag-handle[data-v-588e3410]:active{cursor:grabbing}.classroom-page.immersive .classroom-body[data-v-588e3410]{height:100vh}.teacher-head-actions[data-v-588e3410]{display:flex;gap:6px;align-items:flex-start;flex-direction:column}.classroom-page.immersive .teacher-leave-btn[data-v-588e3410]{margin-top:12px;padding:7px 10px;font-size:.9rem}.classroom-page.immersive .notes-trigger[data-v-588e3410]{padding:6px 10px;border-radius:999px;font-size:.9rem}.classroom-page.immersive .classroom-head h1[data-v-588e3410]{font-size:1.15rem;line-height:1.2}.classroom-page.immersive .classroom-head p[data-v-588e3410]{font-size:.86rem}.notes-trigger[data-v-588e3410]{border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:8px 12px;background:#0f172a9e;color:#fff;font-weight:700;cursor:pointer}.notes-popup-overlay[data-v-588e3410]{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:flex;align-items:center;justify-content:center;padding:24px 16px;background:#02061773}.notes-popup[data-v-588e3410]{width:min(620px,100%);max-height:calc(100vh - 140px);gap:12px;background:#fff;padding:16px;overflow:auto;display:grid}.notes-popup-head[data-v-588e3410]{display:flex;justify-content:space-between;align-items:start;gap:10px}.notes-popup-head h2[data-v-588e3410]{margin:0;color:#0d121b;font-size:22px}.notes-popup-close[data-v-588e3410]{width:32px;height:32px;border:1px solid #e2e8f0;border-radius:10px;background:#fff;color:#334155;cursor:pointer}.classroom-head[data-v-588e3410]{display:flex;align-items:center;justify-content:space-between;gap:14px}.classroom-head h1[data-v-588e3410]{margin:0;font-size:1.5rem}.classroom-head p[data-v-588e3410]{margin:6px 0 0;color:#475569;font-size:.92rem}.leave-btn[data-v-588e3410]{border:1px solid #cbd5e1;border-radius:10px;background:#fff;padding:10px 14px;cursor:pointer}.state-card[data-v-588e3410]{margin:16px;border:1px solid #e2e8f0;border-radius:12px;background:#fff;padding:24px;color:#334155}.classroom-body[data-v-588e3410]{display:grid;gap:12px;align-content:start;grid-template-rows:minmax(62vh,1fr) auto}.iframe-wrap[data-v-588e3410]{border-radius:14px;border:1px solid #dbe3f0;background:#0f172a;min-height:62vh;height:100%;overflow:hidden}.iframe-wrap iframe[data-v-588e3410]{width:100%;height:100%;border:0;display:block}.immersive-iframe[data-v-588e3410]{border-radius:0;border:0;min-height:100vh;height:100vh}.notes-panel[data-v-588e3410]{border:1px solid #dbe3f0;border-radius:14px;background:#fff;padding:12px;display:grid;gap:10px}.notes-panel h2[data-v-588e3410]{margin:0;font-size:1rem}.note-hint[data-v-588e3410]{margin:0;color:#b45309;font-size:.86rem}.notes-panel textarea[data-v-588e3410]{min-height:220px;resize:vertical;border:1px solid #cbd5e1;border-radius:10px;padding:10px;font:inherit}.save-btn[data-v-588e3410]{border:none;border-radius:10px;background:#0f172a;color:#fff;padding:10px 12px;font-weight:600;cursor:pointer}.save-btn[data-v-588e3410]:disabled{opacity:.6;cursor:not-allowed}.overlay-layer[data-v-588e3410]{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.overlay-gradient[data-v-588e3410]{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 14% 10%,rgba(37,99,235,.18),transparent 35%),radial-gradient(circle at 86% 88%,rgba(15,23,42,.24),transparent 42%),linear-gradient(180deg,#02061733,#02061705 35%,#0206173d)}.glass-card[data-v-588e3410],.glass-btn[data-v-588e3410]{background:#0f172a9e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);color:#fff;pointer-events:auto}.top-left[data-v-588e3410]{position:absolute;top:22px;left:22px;border-radius:14px;padding:10px 12px;min-width:220px;z-index:2}.live-title[data-v-588e3410]{margin:0;font-size:13px;font-weight:700;display:flex;align-items:center;gap:8px}.live-meta[data-v-588e3410]{margin:5px 0 0;font-size:11px;color:#ffffffc7}.live-dot[data-v-588e3410]{width:8px;height:8px;border-radius:999px;background:#ef4444;box-shadow:0 0 14px #ef4444cc}.top-right[data-v-588e3410]{position:absolute;top:70px;right:22px;border-radius:999px;padding:10px 14px;border:0;font-weight:700;cursor:pointer;z-index:2}.review-zone[data-v-588e3410]{position:absolute;bottom:20px;left:50%;transform:translate(-50%);width:min(560px,calc(100% - 24px));display:grid;gap:8px;z-index:2}.review-panel[data-v-588e3410]{border-radius:16px;padding:12px;display:grid;gap:10px}.review-label[data-v-588e3410]{margin:0;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#ffffffb8}.review-rating[data-v-588e3410]{display:flex;align-items:center;justify-content:space-between;gap:8px}.review-panel textarea[data-v-588e3410]{resize:vertical;min-height:96px;border:1px solid rgba(255,255,255,.2);background:#ffffff0f;border-radius:12px;padding:10px;color:#fff}.submit-btn[data-v-588e3410]{border:0;border-radius:10px;padding:10px;background:#2563eb;color:#fff;font-weight:700;cursor:pointer}.submit-btn[data-v-588e3410]:disabled{opacity:.6;cursor:not-allowed}.review-toggle[data-v-588e3410]{border:0;border-radius:999px;padding:11px 14px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:700}@media (max-width: 980px){.classroom-page.immersive .teacher-notes[data-v-588e3410]{top:66px;right:10px;width:min(320px,calc(100vw - 20px));max-height:calc(100vh - 130px)}.classroom-page.immersive .classroom-head[data-v-588e3410]{top:10px;left:10px;right:10px}.top-left[data-v-588e3410],.top-right[data-v-588e3410]{top:10px}.top-left[data-v-588e3410]{left:10px;min-width:unset;width:calc(100vw - 152px)}.top-right[data-v-588e3410]{right:10px;top:44px;padding:9px 10px;font-size:12px}.review-zone[data-v-588e3410]{bottom:12px;width:calc(100% - 20px)}}