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10px;font-size:10px}.hint-btn{border-radius:4px;gap:3px;min-width:60px;padding:6px 10px;font-size:10px}.hint-btn span:first-child{font-size:12px}}.btn-submit:disabled{opacity:.8;cursor:wait;position:relative}.btn-submit:disabled:after{content:"";border:2px solid #fff;border-top-color:#0000;border-radius:50%;width:12px;height:12px;animation:.8s linear infinite spin;position:absolute;top:50%;right:10px;transform:translateY(-50%)}@keyframes spin{to{transform:translateY(-50%)rotate(360deg)}}@media (max-height:600px) and (orientation:landscape){.quiz-controls{margin-top:10px;padding:8px 14px}.btn,.hint-btn{padding:8px 16px;font-size:13px}}:root{--bc-arrow-size:clamp(6px, 1.4vw, 13px);--bc-font-size:clamp(.55rem, 1.8vw, .85rem);--bc-pad-y:clamp(8px, 1.2vw, 12px);--bc-pad-x:clamp(4px, 1.5vw, 16px)}.breadcrumb-q{box-sizing:border-box;border:1px solid #ffffff0d;border-radius:8px;flex-wrap:nowrap;align-items:stretch;width:100%;margin:0;padding:10px 20px;list-style:none;display:flex;overflow:hidden;box-shadow:0 4px 12px #00000008}.bcPairQ,.breadcrumb-q li{flex:none;align-items:stretch;min-width:0;display:flex;position:relative}.breadcrumb-q li .back-link,.breadcrumb-q li[aria-current=page] .current{width:auto;padding:var(--bc-pad-y) calc(var(--bc-pad-x) + 10px);font-size:var(--bc-font-size);color:#d1d5db;clip-path:polygon(0 0, calc(100% - var(--bc-arrow-size)) 0, 100% 50%, calc(100% - var(--bc-arrow-size)) 100%, 0 100%, var(--bc-arrow-size) 50%);box-sizing:border-box;white-space:nowrap;background:linear-gradient(135deg,#121214,#1a1a1e);justify-content:center;align-items:center;font-weight:600;text-decoration:none;transition:background .2s,color .2s;display:flex;position:relative;overflow:hidden}.bcPairQ:first-child .back-link{clip-path:polygon(0 0, calc(100% - var(--bc-arrow-size)) 0, 100% 50%, calc(100% - var(--bc-arrow-size)) 100%, 0 100%);padding-left:var(--bc-pad-x)}.bcPairQ:last-child .current{clip-path:polygon(0 0, 100% 0, 100% 100%, 0 100%, var(--bc-arrow-size) 50%);color:#fff;background:linear-gradient(135deg,#5c35a0,#4c288f);font-weight:700}[data-theme=light] .breadcrumb-q li .back-link{color:#3a3560;background:linear-gradient(135deg,#eef0f6,#e2e5f0);border-right:1px solid #00000005}[data-theme=light] .bcPairQ:last-child .current{color:#fff;background:linear-gradient(135deg,#621c9f,#511287)}@media (prefers-color-scheme:light){.breadcrumb-q li .back-link{color:#3a3560;background:linear-gradient(135deg,#eef0f6,#e2e5f0)}.bcPairQ:last-child .current{color:#fff;background:linear-gradient(135deg,#621c9f,#511287)}}.bcPairQ:not(:last-child) .back-link:hover{color:#fff;background:linear-gradient(135deg,#1d1d24,#25252b)}[data-theme=light] .bcPairQ:not(:last-child) .back-link:hover{color:#1a163a;background:linear-gradient(135deg,#f3f5fa,#eaedf5)}.bc-text{text-overflow:ellipsis;white-space:nowrap;text-align:center;width:100%;max-width:400px;display:block;overflow:hidden}.home-icon{justify-content:center;align-items:center;display:flex}.home-icon svg{stroke-width:2.5px;display:block;width:clamp(12px,3.2vw,17px)!important;height:clamp(12px,3.2vw,17px)!important}.bcPairQ .home-icon{color:#b8b8d4;background:linear-gradient(135deg,#1d1b3a,#252347);width:100%}[data-theme=light] .bcPairQ .home-icon{color:#3a3560;background:linear-gradient(135deg,#e2dff5,#d5d1f0)}