.v54-assignment-btn{border:1px solid rgba(14,165,233,.2);background:rgba(255,255,255,.84);color:#172033;border-radius:16px;padding:12px 18px;font-weight:900;font-size:15px;cursor:pointer;box-shadow:0 8px 24px rgba(15,23,42,.05)}
.v54-assignment-btn:hover{transform:translateY(-1px)}
.v54-backdrop{position:fixed;inset:0;z-index:10070;background:rgba(15,23,42,.54);backdrop-filter:blur(10px);display:flex;align-items:flex-end;justify-content:center;padding:18px;box-sizing:border-box;top:var(--jx-visual-top,0px)!important;bottom:auto!important;height:var(--jx-visual-viewport,100dvh)!important;max-height:var(--jx-visual-viewport,100dvh)!important;overflow:hidden;padding-top:max(8px,env(safe-area-inset-top));padding-bottom:max(8px,env(safe-area-inset-bottom))}
.v54-hidden{display:none!important}.v54-modal{width:min(1040px,100%);max-height:calc(var(--jx-visual-viewport,100dvh) - max(16px,env(safe-area-inset-top)) - max(16px,env(safe-area-inset-bottom)))!important;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:#fff;border:1px solid #dce5f3;border-radius:30px;box-shadow:0 26px 90px rgba(15,23,42,.3);color:#172033}.v54-head{position:sticky;top:0!important;z-index:8!important;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:26px 28px 22px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid #e6ecf4}.v54-kicker{font-size:12px;letter-spacing:.2em;font-weight:900;color:#0284c7}.v54-head h2{font-size:30px;margin:7px 0 5px}.v54-head p{margin:0;color:#66758a;line-height:1.7}.v54-close{width:48px;height:48px;flex:0 0 auto;position:relative;z-index:10;border:0;border-radius:16px;background:#f2f5f9;color:#334155;font-size:30px;cursor:pointer}.v54-body{padding:24px 28px 32px;display:grid;gap:20px}.v54-panel{border:1px solid #dfe7f2;border-radius:24px;padding:22px;background:linear-gradient(180deg,#fff,#fbfdff)}.v54-section-title{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px}.v54-section-title span{font-size:12px;font-weight:900;letter-spacing:.12em;color:#64748b}.v54-section-title h3{margin:4px 0 0;font-size:23px}.v54-section-title>button{border:1px solid #d8e1ed;background:#fff;border-radius:13px;padding:9px 13px;font-weight:800;color:#334155;cursor:pointer}.v54-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.v54-form label{display:flex;flex-direction:column;gap:7px;font-weight:800}.v54-form .wide{grid-column:1/-1}.v54-form input,.v54-form select,.v54-form textarea{width:100%;box-sizing:border-box;border:1px solid #cbd7e6;border-radius:15px;padding:13px 14px;background:#fff;color:#172033;font:inherit;outline:none}.v54-form textarea{resize:vertical;min-height:78px}.v54-form input:focus,.v54-form select:focus,.v54-form textarea:focus{border-color:#38bdf8;box-shadow:0 0 0 4px rgba(14,165,233,.1)}.v54-check{display:flex!important;flex-direction:row!important;align-items:center;gap:9px!important;padding-top:30px}.v54-check input{width:18px;height:18px}.v54-filter-summary{border:1px dashed #93c5fd;background:#f0f9ff;border-radius:15px;padding:12px 14px;color:#526176;line-height:1.65}.v54-actions{display:flex;gap:10px;flex-wrap:wrap}.v54-btn{border:1px solid #d9e2ee;border-radius:15px;background:#fff;color:#172033;padding:12px 16px;font-weight:900;font-size:14px;cursor:pointer}.v54-btn.primary,.v54-card-actions .primary{border:0;background:linear-gradient(135deg,#0284c7,#14b8a6);color:#fff;box-shadow:0 10px 24px rgba(2,132,199,.16)}.v54-btn:disabled,.v54-card-actions button:disabled{opacity:.55;cursor:not-allowed;filter:saturate(.6)}
.v54-picked-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:18px 2px 9px}.v54-picked-head b{font-size:15px}.v54-picked-head span{font-size:12px;color:#718096}.v54-question-preview{display:grid;gap:8px}.v54-qrow{display:grid;grid-template-columns:34px 1fr;gap:11px;border:1px solid #e1e8f1;border-radius:15px;padding:11px 12px;background:#fff}.v54-qrow>span{width:30px;height:30px;border-radius:10px;background:#e0f2fe;color:#0369a1;font-weight:900;display:grid;place-items:center}.v54-qrow b{font-size:13px}.v54-qrow p{margin:5px 0;color:#526176;line-height:1.55;font-size:13px}.v54-qrow small{color:#94a3b8}.v54-preview-empty,.v54-more{border:1px dashed #cbd5e1;border-radius:14px;padding:14px;text-align:center;color:#718096;margin-top:14px}
.v54-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.v54-card{border:1px solid #dae4f0;border-radius:20px;padding:18px;background:#fff;box-shadow:0 8px 22px rgba(15,23,42,.035)}.v54-card h4{font-size:20px;margin:9px 0 6px}.v54-card>p{margin:0;color:#68778c;font-size:13px;line-height:1.6}.v54-card>small{display:block;color:#8491a3;margin-top:12px}.v54-desc{margin-top:12px;border-left:3px solid #bae6fd;padding:7px 10px;color:#526176;background:#f8fcff;border-radius:0 10px 10px 0;line-height:1.55;font-size:13px}.v54-badge{display:inline-flex;border-radius:999px;padding:5px 9px;font-size:11px!important;letter-spacing:0!important;font-weight:900}.v54-badge.ready{background:#dcfce7;color:#166534}.v54-badge.done{background:#dbeafe;color:#1d4ed8}.v54-badge.progress{background:#fef3c7;color:#92400e}.v54-badge.closed{background:#e2e8f0;color:#475569}.v54-badge.late{background:#fee2e2;color:#b91c1c}.v54-mini-stats{display:flex;gap:10px;margin-top:14px}.v54-mini-stats span{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:8px 10px;font-size:12px;color:#64748b}.v54-mini-stats b{color:#172033}.v54-card-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.v54-card-actions button{border:1px solid #d7e0ec;background:#fff;border-radius:11px;padding:8px 10px;font-weight:800;color:#334155;cursor:pointer}.v54-card-actions button.danger{color:#b91c1c;background:#fff7f7;border-color:#fecaca}.v54-scoreline{margin-top:14px;padding:13px 14px;border-radius:15px;background:#eff6ff;border:1px solid #bfdbfe}.v54-scoreline b{font-size:22px;color:#1d4ed8;margin-right:10px}.v54-scoreline span{font-size:12px;color:#526176}
.v54-detail{scroll-margin-top:100px}.v54-submission-list{display:grid;gap:9px}.v54-submission{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;border:1px solid #e1e8f1;border-radius:16px;padding:12px}.v54-avatar{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e0f2fe,#ccfbf1);font-weight:900;color:#0369a1}.v54-submission b{display:block}.v54-submission small{display:block;color:#748298;margin-top:4px}.v54-sub-score{text-align:right}.v54-sub-score b{font-size:18px}.v54-sub-score span{font-size:11px;color:#8491a3}.v54-info{border:1px solid #dbe7f2;border-radius:16px;padding:14px 15px;line-height:1.75;margin-bottom:16px;color:#526176;background:#fbfdff}.v54-warning{border-radius:18px;padding:16px 18px;margin-bottom:16px;display:grid;gap:6px;line-height:1.7;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412}.v54-warning span{font-size:14px}.v54-msg{border-radius:16px;padding:13px 15px;font-weight:700;line-height:1.6}.v54-msg.error{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}.v54-msg.success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.v54-empty{text-align:center;padding:48px 20px}.v54-empty.compact{padding:24px 10px;color:#718096}.v54-icon{font-size:44px}.v54-empty h3{font-size:24px;margin:12px 0 8px}.v54-empty p{color:#6b7a90;line-height:1.7}.v54-loading{text-align:center;padding:62px 20px;color:#64748b}.v54-spinner{width:34px;height:34px;margin:0 auto 14px;border:4px solid #dbeafe;border-top-color:#0284c7;border-radius:50%;animation:v54spin .8s linear infinite}@keyframes v54spin{to{transform:rotate(360deg)}}.v54-toast{position:fixed;left:12px;right:12px;bottom:max(18px,env(safe-area-inset-bottom));z-index:10120;margin:auto;max-width:620px;padding:12px 14px;border-radius:14px;box-shadow:0 10px 34px rgba(0,0,0,.17);font-size:14px;font-weight:800;line-height:1.55}.v54-toast.ok{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.v54-toast.warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}
@media(max-width:760px){.v54-backdrop{padding-left:0!important;padding-right:0!important;padding-bottom:max(0px,env(safe-area-inset-bottom))!important}.v54-modal{border-radius:26px 26px 0 0;max-height:calc(var(--jx-visual-viewport,100dvh) - max(4px,env(safe-area-inset-top)))!important}.v54-head{padding:22px 20px 18px;padding-top:max(18px,env(safe-area-inset-top))!important}.v54-head h2{font-size:27px}.v54-body{padding:18px 18px 28px}.v54-form{grid-template-columns:1fr}.v54-form .wide{grid-column:auto}.v54-check{padding-top:4px}.v54-card-grid{grid-template-columns:1fr}.v54-assignment-btn{padding:10px 13px}.v54-submission{grid-template-columns:auto 1fr}.v54-sub-score{grid-column:2;text-align:left}.v54-picked-head{align-items:flex-start;flex-direction:column}.v54-actions{display:grid}.v54-actions .v54-btn{width:100%}}
@media(prefers-color-scheme:dark){.v54-assignment-btn{background:#111827;color:#e5e7eb;border-color:#334155}.v54-modal,.v54-head{background:#0b1020;color:#e5e7eb;border-color:#263247}.v54-panel{background:linear-gradient(180deg,#101827,#0d1422);border-color:#29374c}.v54-head p,.v54-card>p,.v54-card>small,.v54-desc,.v54-info,.v54-qrow p,.v54-picked-head span,.v54-submission small,.v54-empty p{color:#94a3b8}.v54-close,.v54-section-title>button,.v54-btn,.v54-card-actions button{background:#111827;color:#e5e7eb;border-color:#334155}.v54-form input,.v54-form select,.v54-form textarea,.v54-card,.v54-qrow,.v54-submission{background:#0f172a;color:#e5e7eb;border-color:#334155}.v54-filter-summary{background:#0c1c32;border-color:#315d90;color:#cbd5e1}.v54-desc{background:#111827}.v54-mini-stats span{background:#111827;border-color:#334155}.v54-mini-stats b{color:#e5e7eb}.v54-scoreline{background:#0c1c32;border-color:#315d90}.v54-info{background:#0d1422;border-color:#334155}.v54-preview-empty,.v54-more{border-color:#475569;color:#94a3b8}}

@media(max-width:480px){.nav-tabs>.v53-class-btn,.nav-tabs>.v54-assignment-btn{min-width:0!important;width:100%!important;max-width:none!important;justify-content:center!important;padding:9px 4px!important;font-size:13px!important;border-radius:14px!important}}