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var(--empire-card-border,#2a2a3a);color:var(--empire-text,#e0e0e0);cursor:pointer;background:#ffffff0a;border-radius:10px;flex:1;padding:12px 16px;font-size:15px}.lang-quiz-choice-btn:hover:not(.disabled){border-color:var(--lang-primary,var(--empire-red,#e94560));background:#ffffff14}.lang-quiz-choice-btn.disabled{opacity:.6;cursor:default}.lang-quiz-next-mcq{margin-top:8px}.lang-mic-btn{border:1px solid var(--empire-card-border,#2a2a3a);cursor:pointer;background:#ffffff14;border-radius:10px;padding:8px 12px;font-size:16px}.lang-mic-btn.listening{border-color:var(--lang-primary,var(--empire-red,#e94560));animation:1s infinite lang-mic-pulse}@keyframes lang-mic-pulse{0%,to{opacity:1}50%{opacity:.4}}.lang-sentence-row{align-items:center;gap:8px;margin:12px 0 4px;display:flex}.lang-sentence{margin:0;font-size:26px;font-weight:600}.lang-sentence-translation{color:var(--empire-text-muted,#a0a0c0);margin:0 0 16px}.lang-chat-panel{border-left:1px solid var(--empire-card-border,#2a2a3a);background:linear-gradient(#14141f 0%,#1a1a2e 100%);flex-direction:column;flex-shrink:0;width:340px;height:100vh;display:flex}.lang-chat-panel-header{border-bottom:1px solid var(--empire-card-border,#2a2a3a);background:#ffffff05;align-items:center;gap:10px;padding:14px 18px;font-weight:600;display:flex}.lang-chat-panel-header:before{content:"✨";font-size:18px}.lang-chat-panel-header>span{letter-spacing:.3px;color:var(--lang-text,var(--empire-red,#e94560));flex:1;font-size:15px}.lang-chat-header-actions{align-items:center;gap:8px;display:flex}.lang-quiz-btn{border:1px solid var(--empire-card-border,#2a2a3a);color:var(--empire-text,#e0e0e0);cursor:pointer;background:#ffffff0f;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:600;transition:border-color .15s,background .15s}.lang-quiz-btn:hover:not(:disabled){border-color:var(--lang-primary,var(--empire-red,#e94560));background:#ffffff1a}.lang-quiz-btn:disabled{opacity:.5;cursor:not-allowed}.lang-chat-close{color:var(--empire-text,#e0e0e0);cursor:pointer;background:0 0;border:none;font-size:16px;display:none}.lang-chat-log{flex-direction:column;flex:auto;gap:10px;min-height:0;max-height:none;margin-bottom:0;padding:16px;display:flex;overflow-y:auto}.lang-chat-msg{word-wrap:break-word;text-align:left;border-radius:16px;max-width:88%;margin:0;padding:10px 14px;font-size:14px;line-height:1.5}.lang-chat-msg.you{background:var(--lang-primary,var(--empire-red,#e94560));color:var(--lang-on-primary,#fff);border-bottom-right-radius:4px;align-self:flex-end}.lang-chat-msg.aim{color:var(--empire-text,#e0e0e0);border:1px solid var(--empire-card-border,#2a2a3a);background:#ffffff0f;border-bottom-left-radius:4px;align-self:flex-start}.lang-chat-typing{opacity:.6;font-style:italic;background:0 0!important;border:none!important}.lang-chat-input{border-top:1px solid var(--empire-card-border,#2a2a3a);background:#ffffff05;flex-shrink:0;margin:auto 0 0;padding:14px 16px}.lang-chat-input input{border-radius:20px;padding:10px 16px}.lang-chat-input button{border-radius:20px;padding:10px 18px}.lang-chat-bubble{background:var(--lang-primary,var(--empire-red,#e94560));cursor:pointer;z-index:45;border:3px solid #ffffff26;border-radius:50%;width:56px;height:56px;font-size:24px;display:none;position:fixed;bottom:20px;right:20px;box-shadow:0 4px 12px #0006}.lang-chat-backdrop{display:none}@media (width<=768px){.lang-page{height:auto;display:block;overflow:visible}.lang-main{overflow-y:visible}.lang-template{padding:20px 16px 96px}.lang-header h1{font-size:30px}.lang-chat-panel{z-index:50;width:100%;max-width:400px;height:100vh;transition:transform .25s;position:fixed;top:0;bottom:0;right:0;transform:translate(100%)}.lang-chat-panel.open{transform:translate(0)}.lang-chat-close{display:block}.lang-chat-bubble{justify-content:center;align-items:center;display:flex}.lang-chat-backdrop{z-index:40;background:#00000080;display:block;position:fixed;inset:0}}@media (width<=480px){.lang-symbol-grid{grid-template-columns:repeat(2,1fr);gap:10px}.lang-symbol-card{padding:16px 8px 12px}.lang-symbol{font-size:42px}.lang-illustration{width:64px;height:64px;font-size:34px}.lang-example-word{font-size:19px}.lang-quiz-level-buttons{flex-wrap:wrap}.lang-actions{justify-content:stretch}.lang-actions button{width:100%}}:root{--empire-red:#e94560;--empire-red-glow:#e945604d;--empire-dark:#0a0a0f;--empire-card:#1a1a2e;--empire-card-border:#2a2a3a;--empire-text:#e0e0e0;--empire-text-muted:#a0a0c0;--empire-success:#22c55e;--empire-warning:#f59e0b}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--empire-dark);color:var(--empire-text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--empire-red)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--empire-dark)}::-webkit-scrollbar-thumb{background:var(--empire-card-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--empire-red)}