.modal-overlay{display:none;position:fixed;inset:0;background:#0009;backdrop-filter:blur(4px);z-index:1000;align-items:center;justify-content:center;padding:20px}.modal-overlay.open{display:flex}.modal{background:var(--surface);border-radius:20px;padding:32px;max-width:400px;width:100%;position:relative;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.modal-close{position:absolute;top:16px;right:16px;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:6px 10px;cursor:pointer;color:var(--text2)}.modal-hanzi{font-family:var(--font-hanzi);font-size:64px;text-align:center;margin-bottom:8px}.modal-pinyin{text-align:center;color:var(--accent);font-size:20px;font-weight:500;margin-bottom:8px}.modal-level{text-align:center;margin-bottom:20px}.modal-level span{background:var(--primary);color:#fff;font-size:12px;padding:3px 10px;border-radius:8px}.modal-meanings{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;background:var(--surface2);border-radius:12px;padding:16px}.meaning-row{display:flex;align-items:center;gap:12px;font-size:16px}.lang-badge{font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px}.lang-badge.vi{background:#fef3c7;color:#92400e}.lang-badge.en{background:#dbeafe;color:#1e40af}[data-theme=dark] .lang-badge.vi{background:#451a03;color:#fcd34d}[data-theme=dark] .lang-badge.en{background:#1e3a5f;color:#93c5fd}.modal-example{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:16px}.ex-label{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}.ex-zh{font-family:var(--font-hanzi);font-size:16px;color:var(--text);margin-bottom:4px;line-height:1.5}.ex-py{font-size:12px;color:var(--accent);margin-bottom:6px}.ex-vi{font-size:13px;color:var(--text2);margin-bottom:2px}.ex-vi:before{content:"🇻🇳 "}.ex-en{font-size:13px;color:var(--text3)}.ex-en:before{content:"🇬🇧 "}.coming-soon-banner{text-align:center;padding:40px 20px;background:var(--surface);border:1px dashed var(--border);border-radius:16px;color:var(--text2)}.coming-soon-banner .cs-icon{font-size:48px;margin-bottom:12px}.coming-soon-banner h3{font-size:18px;margin-bottom:8px;color:var(--text)}.coming-soon-banner p{font-size:14px}.settings-overlay{position:fixed;inset:0;background:#0009;z-index:1200;display:flex;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(4px);animation:fadeIn .2s ease}.settings-modal{background:var(--bg);border:1px solid var(--border);border-radius:20px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;padding:0;box-shadow:0 20px 60px #00000080;animation:slideUp .25s ease}.sm-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:1;border-radius:20px 20px 0 0}.sm-header h2{margin:0;font-size:17px;font-weight:700}.sm-header-actions{display:flex;align-items:center;gap:10px}.sm-reset-link{background:none;border:none;color:var(--text2);font-size:13px;cursor:pointer;display:flex;align-items:center;gap:4px}.sm-reset-link:hover{color:var(--primary)}.sm-close{background:var(--surface);border:1px solid var(--border);border-radius:50%;width:32px;height:32px;font-size:14px;cursor:pointer;color:var(--text2);transition:.2s}.sm-close:hover{background:var(--danger, #ef4444);color:#fff;border-color:transparent}.sm-section{padding:16px 24px;border-bottom:1px solid var(--border)}.sm-section:last-of-type{border-bottom:none}.sm-section-title{font-size:12px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}.sm-lang-row{display:flex;gap:10px}.sm-lang-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border:2px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);font-size:14px;font-weight:600;cursor:pointer;transition:border-color .15s,background .15s}.sm-lang-btn.active{border-color:var(--primary);background:var(--primary);color:#fff}.sm-lang-btn:not(.active):hover{border-color:var(--primary)}.sm-lang-flag{font-size:18px}.sm-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--border)}.sm-row:last-child{border-bottom:none}.sm-row>label{font-size:14px;color:var(--text);flex:1;cursor:default}.sm-row-info{display:flex;flex-direction:column;gap:2px;flex:1}.sm-row-label{font-size:14px;font-weight:500;color:var(--text)}.sm-row-desc{font-size:12px;color:var(--text2)}.sm-control{flex-shrink:0}.sm-color-row{display:flex;gap:12px;flex-wrap:wrap}.sm-color-dot{width:34px;height:34px;border-radius:50%;border:3px solid transparent;cursor:pointer;transition:transform .15s,border-color .15s}.sm-color-dot:hover{transform:scale(1.15)}.sm-color-dot.active{border-color:var(--text);transform:scale(1.1)}.sm-collapse-btn{width:100%;display:flex;align-items:center;justify-content:space-between;background:none;border:none;color:var(--text2);font-size:14px;font-weight:600;cursor:pointer;padding:0;text-align:left}.sm-collapse-btn:hover{color:var(--primary)}.sm-collapse-icon{font-size:18px;transition:transform .2s}.sm-collapse-icon.open{transform:rotate(90deg)}.sm-advanced{margin-top:14px;display:flex;flex-direction:column;gap:0}.sm-adv-save{padding-top:12px;display:flex;justify-content:flex-end}.sm-control input[type=number],.sm-control select{background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;padding:6px 10px;width:100px;text-align:center;font-family:var(--font-ui)}.sm-control select{width:180px;text-align:left;cursor:pointer}.sm-control input:focus,.sm-control select:focus{outline:none;border-color:var(--primary)}.sm-toggle{position:relative;display:inline-block;width:46px;height:26px;cursor:pointer}.sm-toggle input{opacity:0;width:0;height:0}.sm-slider{position:absolute;inset:0;background:var(--surface2);border-radius:26px;border:1px solid var(--border);transition:.3s}.sm-slider:before{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:#fff;bottom:2px;left:2px;transition:.3s;box-shadow:0 1px 4px #0000004d}.sm-toggle input:checked+.sm-slider{background:var(--primary);border-color:var(--primary)}.sm-toggle input:checked+.sm-slider:before{transform:translate(20px)}.sm-actions{display:flex;gap:12px;padding:16px 24px 20px;position:sticky;bottom:0;background:var(--bg);border-top:1px solid var(--border)}.sm-btn-reset{flex:1;padding:11px;border-radius:12px;background:var(--surface);border:1px solid var(--border);color:var(--text2);font-size:14px;font-weight:600;cursor:pointer;transition:.2s;font-family:var(--font-ui)}.sm-btn-reset:hover{border-color:var(--primary);color:var(--primary)}.sm-btn-save{flex:2;padding:11px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));border:none;color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:.2s;font-family:var(--font-ui);box-shadow:0 4px 12px #6366f14d}.sm-btn-save:hover{transform:translateY(-1px);box-shadow:0 6px 18px #6366f166}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pmSpin{to{transform:rotate(360deg)}}.streak-card{position:relative;overflow:hidden}.streak-card .stat-num{color:var(--accent)}.streak-fire{font-size:24px;vertical-align:middle;margin-left:2px}.sm-footer{text-align:center;padding:14px 24px;font-size:12px;color:var(--text3);border-top:1px solid var(--border);margin-top:8px}.sm-footer a{color:var(--text3);text-decoration:none}.sm-footer a:hover{color:var(--primary)}.sf-dot{margin:0 6px}.auth-legal{font-size:10px;color:var(--text3);text-align:center;margin-top:8px;opacity:.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.auth-legal a{color:var(--text3);text-decoration:underline}.auth-legal a:hover{opacity:1;color:var(--primary)}.pro-gate-overlay{position:fixed;inset:0;background:#0009;z-index:9000;display:none;align-items:center;justify-content:center;backdrop-filter:blur(2px)}.pro-gate-card{background:var(--surface);border-radius:20px;padding:32px 28px;max-width:320px;width:90%;text-align:center;border:1.5px solid var(--border)}.pro-gate-icon{font-size:40px;margin-bottom:12px}.pro-gate-card h2{font-size:18px;font-weight:700;margin-bottom:8px}.pro-gate-card p{font-size:14px;color:var(--text2);margin-bottom:20px}.pro-gate-cta{display:block;width:100%;padding:12px;border-radius:10px;background:var(--primary);color:#fff;border:none;font-size:15px;font-weight:700;cursor:pointer;margin-bottom:10px;transition:opacity .15s}.pro-gate-cta:hover{opacity:.88}.pro-gate-close{display:block;width:100%;padding:10px;border-radius:10px;border:1.5px solid var(--border);background:none;color:var(--text2);font-size:14px;cursor:pointer;transition:border-color .15s}.pro-gate-close:hover{border-color:var(--primary)}