.v6-version-badge{display:inline-flex;align-items:center;justify-content:center;margin-left:8px;padding:3px 8px;border-radius:999px;background:linear-gradient(135deg,#171a3a,#6a5cf6);color:#fff;font-size:10px;font-style:normal;font-weight:800;vertical-align:middle;box-shadow:0 6px 18px rgba(91,92,226,.24)}
.v6-class-btn{background:linear-gradient(145deg,#eef7ff,#fff);border:1px solid #dce6f8}.v6-page{display:grid;gap:18px}.v6-loading,.v6-muted,.v6-note,.v6-error{padding:18px;border-radius:18px;background:#f7f8fd;color:#6d738e}.v6-note{background:#eafaf4;color:#187b61;border:1px solid #cfeee2}.v6-error{background:#fff0f1;color:#b64a54}
.v6-home-classroom{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;margin:18px 0;padding:20px;border-radius:24px;background:linear-gradient(135deg,#fff 0%,#eef6ff 100%);border:1px solid #e4e8f7;box-shadow:0 14px 34px rgba(44,54,102,.08)}.v6-home-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:17px;background:#fff;font-size:26px;box-shadow:0 8px 22px rgba(52,69,123,.12)}.v6-home-classroom h3{margin:4px 0 5px;font-size:18px}.v6-home-classroom p{margin:0;color:#727892;font-size:13px}.v6-home-classroom button,.v6-teacher-link,.v6-join-card button,.v6-stack-form button,.v6-submit{border:0;border-radius:14px;background:linear-gradient(135deg,#5a57e8,#7d67f3);color:#fff;font-weight:800;padding:12px 16px;cursor:pointer}.v6-teacher-link{padding:9px 12px;font-size:12px}
.v6-kicker{display:block;color:#665ef0;font-size:10px;font-weight:900;letter-spacing:.08em;margin-bottom:3px}.v6-join-card,.v6-section,.v6-teacher-enable,.v6-teacher-summary,.v6-panel,.v6-empty-card{background:#fff;border:1px solid #e5e8f3;border-radius:24px;padding:20px;box-shadow:0 12px 30px rgba(48,55,95,.06)}.v6-join-card{display:grid;grid-template-columns:1fr minmax(260px,360px);gap:20px;align-items:center}.v6-join-card h3,.v6-section h3,.v6-panel h3{margin:4px 0 6px}.v6-join-card p,.v6-section p,.v6-panel p{color:#737a92}.v6-join-card form{display:flex;gap:10px}.v6-join-card input,.v6-stack-form input,.v6-stack-form textarea,.v6-stack-form select,.v6-submit-box textarea,.v6-teacher-enable input{width:100%;box-sizing:border-box;border:1px solid #dde2ef;border-radius:14px;padding:12px 13px;background:#fbfcff;font:inherit;outline:none}.v6-join-card input:focus,.v6-stack-form input:focus,.v6-stack-form textarea:focus,.v6-stack-form select:focus,.v6-submit-box textarea:focus{border-color:#8f87f2;box-shadow:0 0 0 3px rgba(108,92,238,.1)}
.v6-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.v6-class-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.v6-class-card{position:relative;text-align:left;padding:16px;border:1px solid #e3e7f2;border-radius:18px;background:linear-gradient(145deg,#fbfcff,#f5f4ff);color:#1e2541}.v6-class-card h3{margin:9px 0 5px}.v6-class-card p{margin:0;font-size:12px;color:#727991}.v6-class-grid.teacher button{cursor:pointer}.v6-class-grid.teacher .v6-class-card.active{border-color:#7569ef;box-shadow:0 0 0 3px rgba(105,92,235,.1)}.v6-class-code{display:inline-flex;gap:6px;align-items:center;padding:5px 8px;border-radius:9px;background:#ecebff;color:#5a52d7;font-size:12px;font-weight:900;letter-spacing:.08em}.v6-class-code i{font-style:normal;cursor:pointer}
.v6-assignment-list{display:grid;gap:12px}.v6-assignment{position:relative;padding:18px;border:1px solid #e5e8f3;border-radius:20px;background:#fff}.v6-assignment.done{background:linear-gradient(145deg,#fff,#fafbff)}.v6-assignment-top{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:#737990;font-size:11px}.v6-assignment-top small{margin-left:auto}.v6-type{display:inline-flex;padding:5px 8px;border-radius:999px;background:#eeeefe;color:#5a54d8;font-weight:800;text-transform:capitalize}.v6-type.speaking{background:#e8fbf4;color:#188164}.v6-type.writing{background:#eef4ff;color:#346ab6}.v6-type.grammar{background:#fff2e6;color:#b36823}.v6-assignment h3{margin:10px 0 6px}.v6-assignment>p{color:#656d86}.v6-reward{font-weight:800;color:#8a6f20;margin:10px 0}.v6-submit-box{display:grid;gap:9px;margin-top:12px}.v6-mic{justify-self:start;border:1px solid #dfe4ef;background:#fff;border-radius:12px;padding:9px 12px;cursor:pointer}.v6-submitted{margin-top:12px;padding:13px;border-radius:15px;background:#f1faf6;color:#325f50}.v6-submitted p{margin:7px 0}.v6-te{color:#4e5872!important}
.v6-empty-card{text-align:center;padding:36px 20px}.v6-empty-card>span{font-size:38px}.v6-empty-card h3{margin:10px 0 6px}.v6-empty-card p{color:#757c94}.v6-teacher-hero{display:flex;align-items:center;gap:14px;margin-bottom:18px}.v6-teacher-hero>span{font-size:36px}.v6-teacher-enable form{display:grid;grid-template-columns:1fr 1fr auto;gap:10px}.v6-teacher-enable label{display:grid;gap:6px;font-size:12px;font-weight:700}.v6-teacher-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(135deg,#211f55,#5d55df);color:#fff}.v6-teacher-summary p{color:#dcdcff}.v6-teacher-summary .v6-kicker{color:#c7c4ff}.v6-mini-stats{display:flex;gap:12px}.v6-mini-stats span{min-width:84px;text-align:center;padding:11px;border-radius:16px;background:rgba(255,255,255,.11)}.v6-mini-stats b,.v6-mini-stats small{display:block}.v6-mini-stats b{font-size:24px}.v6-mini-stats small{font-size:10px;color:#e6e5ff}.v6-teacher-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.v6-stack-form{display:grid;gap:10px;margin-bottom:16px}.v6-form-row{display:grid;grid-template-columns:1fr 120px;gap:10px}.v6-form-row label{display:grid;gap:6px;font-size:11px;color:#6b7288}
.v6-table{display:grid;gap:2px}.v6-tr{display:grid;grid-template-columns:minmax(180px,2fr) repeat(4,minmax(70px,1fr));gap:8px;align-items:center;padding:11px 12px;border-radius:12px}.v6-tr:nth-child(even){background:#f8f9fd}.v6-tr.head{background:#efeffb;font-size:11px;font-weight:900;color:#5c637a}.v6-tr span{font-size:12px}.v6-tr span:first-child{display:grid}.v6-tr small{color:#8a90a3;font-size:10px}.v6-roster{overflow:auto}
@media(max-width:800px){.v6-home-classroom{grid-template-columns:auto 1fr}.v6-home-classroom button{grid-column:1/-1}.v6-join-card{grid-template-columns:1fr}.v6-class-grid{grid-template-columns:1fr 1fr}.v6-teacher-grid{grid-template-columns:1fr}.v6-teacher-enable form{grid-template-columns:1fr}.v6-teacher-summary{align-items:flex-start;flex-direction:column}.v6-tr{min-width:620px}.v6-form-row{grid-template-columns:1fr 100px}}
@media(max-width:520px){.v6-class-grid{grid-template-columns:1fr}.v6-join-card form{flex-direction:column}.v6-home-icon{width:46px;height:46px}.v6-mini-stats{width:100%}.v6-mini-stats span{flex:1}}