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var(--divider);flex-direction:column;gap:12px;padding-top:4px;display:flex}.control-row{gap:10px;display:flex}.control-row .btn{flex:1}.fullscreen-btn{width:100%;display:none}.volume-control{flex-direction:column;gap:6px;display:flex}.volume-label{text-transform:uppercase;letter-spacing:.14em;color:var(--text-dim);justify-content:space-between;align-items:center;font-size:11px;display:flex}.volume-value{color:var(--text-h);letter-spacing:0;font-variant-numeric:tabular-nums}.volume-slider{width:100%;accent-color:var(--accent);cursor:pointer}.control-label{text-transform:uppercase;letter-spacing:.14em;color:var(--text-dim);font-size:11px}.control-difficulty{flex-direction:column;gap:8px;display:flex}.difficulty-pills{gap:6px;display:flex}.pill{text-transform:capitalize;border:1px solid var(--panel-border);background:var(--surface-2);color:var(--text-dim);cursor:pointer;border-radius:8px;flex:1;padding:8px 6px;font-size:12px;font-weight:600;transition:all 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var(--accent)}.auth-form{flex-direction:column;gap:15px;display:flex}.auth-submit{width:100%;margin-top:3px}.auth-note{color:var(--text-dim);margin:14px 0 0;font-size:12px;line-height:1.45}@media (width<=520px){.landing-card{padding-top:28px}.landing-toolbar{align-items:center;margin-bottom:20px;position:static}.brand{margin-top:0}.account-name{max-width:90px}.auth-overlay{align-items:start;padding:14px}.auth-dialog{margin:auto 0;padding:24px 20px}}