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var(--border);justify-content:space-between;align-items:center;gap:12px;padding:14px 24px 20px;display:flex}.vs-tip{color:var(--text-muted);flex:1;font-size:12px;line-height:1.4}.vs-done-btn{background:var(--pl-red);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:10px;padding:9px 22px;font-size:14px;font-weight:700;transition:background .18s}.vs-done-btn:hover{background:var(--pl-red-mid)}.nav-btn--voice{font-size:18px}.srs-overlay{z-index:200;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0000008c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.srs-modal{background:#fff;border-radius:24px;flex-direction:column;width:100%;max-width:520px;max-height:90vh;animation:.25s fadeIn;display:flex;overflow:hidden;box-shadow:0 24px 60px #00000059}.srs-header{color:#fff;background:linear-gradient(135deg,#1e40af 0%,#2563eb 100%);align-items:center;gap:12px;padding:20px 20px 16px;display:flex}.srs-header-icon{flex-shrink:0;font-size:36px;line-height:1}.srs-header-text{flex:1}.srs-title{color:#fff;font-size:18px;font-weight:800;line-height:1.2}.srs-close{color:#fff;cursor:pointer;background:#fff3;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;transition:background .2s;display:flex}.srs-close:hover{background:#ffffff59}.srs-body{flex:1;padding:20px;overflow-y:auto}.srs-intro{color:var(--text);margin-bottom:18px;font-size:14px;line-height:1.65}.srs-timeline{background:#f0f9ff;border-radius:12px;justify-content:center;align-items:center;gap:0;margin-bottom:18px;padding:14px 12px;display:flex}.srs-tl-item{flex-direction:column;flex:1;align-items:center;display:flex;position:relative}.srs-tl-dot{z-index:1;background:#2563eb;border-radius:50%;flex-shrink:0;width:14px;height:14px;margin-bottom:6px;position:relative}.srs-tl-line{background:#bfdbfe;width:100%;height:2px;position:absolute;top:7px;left:50%}.srs-tl-label{color:#1d4ed8;white-space:nowrap;font-size:11px;font-weight:700}.srs-section{border-radius:12px;gap:12px;margin-bottom:14px;padding:14px;display:flex}.srs-section--curve{background:#fef3c7;border:1px solid #fde68a}.srs-section-icon{flex-shrink:0;margin-top:1px;font-size:24px;line-height:1}.srs-section-title{color:var(--text);text-transform:uppercase;letter-spacing:.04em;margin-bottom:5px;font-size:13px;font-weight:800}.srs-steps-heading{margin-bottom:10px}.srs-section-text{color:var(--text);font-size:13px;line-height:1.6}.srs-steps{flex-direction:column;gap:8px;margin-bottom:16px;display:flex}.srs-step{background:var(--bg);border-radius:10px;align-items:flex-start;gap:12px;padding:10px 12px;display:flex}.srs-step-num{color:#fff;background:#2563eb;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:13px;font-weight:800;display:flex}.srs-step-num--green{background:#16a34a}.srs-step-num--red{background:#dc2626}.srs-step-text{color:var(--text);padding-top:3px;font-size:13px;line-height:1.55}.srs-note{color:var(--text);background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px;align-items:flex-start;gap:10px;padding:12px;font-size:13px;line-height:1.55;display:flex}.srs-note-icon{flex-shrink:0;font-size:18px}.srs-footer{border-top:1px solid var(--border);justify-content:flex-end;padding:12px 20px 16px;display:flex}.srs-done-btn{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:10px;padding:9px 28px;font-size:14px;font-weight:700;transition:background .18s}.srs-done-btn:hover{background:#1d4ed8}.section-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.section-header .section-title{margin-bottom:0}.srs-info-btn{color:#1d4ed8;cursor:pointer;white-space:nowrap;background:#eff6ff;border:1.5px solid #bfdbfe;border-radius:20px;padding:5px 12px;font-size:12px;font-weight:700;transition:all .18s}.srs-info-btn:hover{background:#dbeafe;border-color:#93c5fd}@media (width<=480px){.polish-word{font-size:28px}.stats-bar{gap:8px}.stat-item{padding:10px 8px}.stat-value{font-size:18px}.lang-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:8px}.main-content{padding:14px 12px 32px}.practice-card{padding:20px 16px}.lang-selector-card{padding:28px 20px}}