.lecture-bg{background:linear-gradient(160deg,#efe8dc,#f8f2e8 45%,#e7e5e4)}.lecture-join{min-height:calc(100vh - 58px);display:grid;place-items:center;padding:20px}.join-card{width:min(460px,100%);padding:32px}.join-card h1{font-size:34px;margin:8px 0}.join-card p{color:#78716c;line-height:1.7}.join-mark{float:right;width:74px;height:74px;border-radius:22px;background:#f59e0b;display:grid;place-items:center;font-size:36px;font-weight:900}.join-card input{text-transform:uppercase;letter-spacing:.28em;text-align:center;font-size:24px;font-weight:900}
.lecture-mobile{width:min(720px,100%);margin:18px auto;padding:0 12px 60px}.lecture-question,.lecture-result{padding:20px;margin-bottom:14px}.lecture-number{font-size:12px;color:#a16207;font-weight:900;letter-spacing:.12em}.lecture-question h1{font-size:clamp(27px,7vw,42px);line-height:1.18;margin:10px 0}.lecture-prompt{line-height:1.8;color:#57534e}.representative{background:#fff7ed;border:1px solid #fed7aa;border-radius:12px;padding:11px;color:#9a3412;font-weight:700}.lecture-field{display:block;border-top:1px solid rgba(41,37,36,.12);padding:16px 0;font-weight:800}.lecture-field>small{display:block;text-align:right;color:#a8a29e;font-weight:400}.lecture-field>small i{font-style:normal}.choice-list,.rating{display:grid;gap:9px;margin-top:9px}.choice-list label,.rating label{margin:0;cursor:pointer}.choice-list input,.rating input{position:absolute;opacity:0;width:1px}.choice-list span,.rating span{display:block;border:1px solid #d6d3d1;border-radius:12px;padding:13px;background:#fff;font-weight:600}.choice-list input:checked+span,.rating input:checked+span{border-color:#1c1917;background:#1c1917;color:#fff}.rating{grid-template-columns:repeat(5,1fr)}.rating span{text-align:center;padding:10px 4px}.lecture-table{display:grid;gap:10px;margin-top:10px}.lecture-table-row{border:1px solid #e7e5e4;border-radius:12px;padding:11px}.lecture-table-row>b{display:block;color:#92400e}.lecture-table-row label{font-weight:500}.participant{text-align:center;color:#78716c;padding:14px}.participant b{color:#1c1917}.aggregate-block{margin:16px 0}.bar-row{display:grid;grid-template-columns:minmax(110px,1fr) 2fr 30px;gap:8px;align-items:center;margin:8px 0}.bar-row>div,.big-bar>div{height:14px;background:#e7e5e4;border-radius:99px;overflow:hidden}.bar-row i,.big-bar i{display:block;height:100%;background:#f59e0b}
.lecture-manage{max-width:1300px;margin:auto;padding:0 24px 50px}.deck-card{padding:22px;margin-bottom:18px}.lecture-activity-list{display:grid;gap:8px;margin:18px 0}.lecture-activity{display:grid;grid-template-columns:38px 1fr auto;gap:12px;align-items:center;border:1px solid #e7e5e4;border-radius:13px;padding:11px}.lecture-activity>span{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:#fef3c7;color:#92400e;font-weight:900}.lecture-activity small{display:block;color:#78716c;margin-top:3px}.lecture-activity button{border:0;border-radius:8px;padding:7px 9px;cursor:pointer}.session-list{display:grid;gap:7px}.session-list>div{display:flex;align-items:center;gap:10px;border-top:1px solid #e7e5e4;padding-top:8px}.session-list span{flex:1;color:#78716c}
.present-body{background:#11100f;color:#fff;min-height:100vh}.present-top{height:56px;display:flex;align-items:center;gap:20px;padding:0 20px;border-bottom:1px solid #44403c}.present-top a{color:#fff;text-decoration:none}.present-top #status{flex:1;color:#fcd34d}.present-actions{display:flex;gap:7px}.present-actions a,.present-actions button,.present-buttons button{border:1px solid #57534e;background:#292524;color:#fff;border-radius:9px;padding:8px 11px;text-decoration:none;cursor:pointer}.present-grid{display:grid;grid-template-columns:310px 1fr;min-height:calc(100vh - 56px)}.present-control{padding:20px;border-right:1px solid #44403c;overflow:auto}.present-control img{width:175px;display:block;margin:auto;background:#fff;padding:8px;border-radius:16px}.join-code{text-align:center;font-size:34px;letter-spacing:.16em;font-weight:900;color:#fcd34d;margin-top:12px}.present-control>p{text-align:center;color:#a8a29e}.present-nav{display:grid;gap:7px;margin-top:20px}.present-nav button{display:flex;gap:9px;text-align:left;align-items:center;border:1px solid #44403c;background:transparent;color:#d6d3d1;border-radius:9px;padding:8px;cursor:pointer}.present-nav button span{width:25px;height:25px;display:grid;place-items:center;border-radius:7px;background:#292524}.present-nav button.active{background:#f59e0b;color:#11100f;border-color:#f59e0b}.present-buttons{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:18px}.present-buttons .primary{background:#f59e0b;color:#11100f;border-color:#f59e0b}.present-stage{padding:clamp(28px,5vw,72px);overflow:auto}.present-head{display:flex;justify-content:space-between;gap:30px}.present-head h1{font-size:clamp(42px,5vw,78px);line-height:1.08;margin:10px 0}.present-timer{font-size:44px;font-weight:900;color:#fcd34d;font-variant-numeric:tabular-nums}.present-timer.overtime{color:#f87171}.present-count{text-align:right;color:#a8a29e}.present-count b{font-size:38px;color:#fff}.present-prompt{font-size:24px;line-height:1.7;color:#d6d3d1}.present-visual{margin-top:30px}.results-covered{min-height:260px;border:1px dashed #57534e;border-radius:22px;display:grid;place-content:center;text-align:center}.results-covered b{font-size:32px}.results-covered span{color:#a8a29e;margin-top:8px}.chart{margin:24px 0}.chart h2{font-size:28px}.big-bar{display:grid;grid-template-columns:minmax(180px,1fr) 3fr 50px;gap:14px;align-items:center;margin:14px 0;font-size:19px}.big-bar>div{height:24px}.big-bar i{background:#f59e0b}.text-wall{display:flex;gap:10px;flex-wrap:wrap}.text-wall h2{width:100%}.text-wall>div{background:#292524;border:1px solid #44403c;border-radius:13px;padding:11px 15px;font-size:20px}
@media(max-width:800px){.present-grid{grid-template-columns:1fr}.present-control{border-right:0}.present-grid{display:block}.present-stage{padding:24px}.rating{grid-template-columns:1fr}.lecture-activity{grid-template-columns:34px 1fr}.lecture-activity .teacher-actions{grid-column:2}.section-row{align-items:flex-start;flex-direction:column}.session-list>div{flex-wrap:wrap}.session-list span{width:100%;flex:auto}}
@media print{.present-top,.present-control{display:none!important}.present-grid{display:block}.present-stage{padding:20px;color:#111;background:#fff}.present-body{background:#fff}.text-wall>div{background:#fff;border-color:#bbb}}
.portal-grid{grid-template-columns:repeat(3,1fr)}.lecture-entry{background:#f5f3ff}@media(max-width:720px){.portal-grid{grid-template-columns:1fr}}