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var(--card))}.btn-rate--facil[aria-pressed=true]{background:color-mix(in srgb, var(--correct) 25%, var(--card));border-color:var(--correct);font-weight:600}.btn-rate--medio{background:var(--warn-soft);color:var(--warn);border-color:color-mix(in srgb, var(--warn) 25%, transparent)}.btn-rate--medio:hover{background:color-mix(in srgb, var(--warn) 20%, var(--card))}.btn-rate--medio[aria-pressed=true]{background:color-mix(in srgb, var(--warn) 25%, var(--card));border-color:var(--warn);font-weight:600}.btn-rate--dificil{background:var(--wrong-soft);color:var(--wrong);border-color:color-mix(in srgb, var(--wrong) 25%, transparent)}.btn-rate--dificil:hover{background:color-mix(in srgb, var(--wrong) 20%, var(--card))}.btn-rate--dificil[aria-pressed=true]{background:color-mix(in srgb, var(--wrong) 25%, var(--card));border-color:var(--wrong);font-weight:600}.audio-player{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);flex-direction:column;gap:16px;padding:24px;display:flex}.btn-audio-play{background:var(--accent);min-height:44px;color:var(--paper);border-radius:var(--r-sm);font-family:var(--font-sans);cursor:pointer;border:none;justify-content:center;align-self:flex-start;align-items:center;gap:8px;padding:10px 24px;font-size:15px;font-weight:600;transition:background .15s,opacity .15s;display:inline-flex}.btn-audio-play:hover{opacity:.88}.btn-audio-play:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.audio-speed-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.audio-speed-label{font-family:var(--font-mono);color:var(--ink-2);white-space:nowrap;margin-right:4px;font-size:12px;font-weight:400}.btn-audio-speed{background:var(--paper-2);min-height:44px;color:var(--ink-2);border:1.5px solid var(--line);border-radius:var(--r-sm);font-family:var(--font-mono);cursor:pointer;justify-content:center;align-items:center;padding:6px 10px;font-size:12px;font-weight:400;transition:background .12s,border-color .12s,color .12s;display:inline-flex}.btn-audio-speed:hover{background:color-mix(in srgb, var(--focus) 6%, var(--paper));border-color:color-mix(in srgb, var(--focus) 30%, transparent);color:var(--focus)}.btn-audio-speed:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.btn-audio-speed--active,.btn-audio-speed[aria-pressed=true]{background:color-mix(in srgb, var(--focus) 10%, var(--paper));border-color:var(--focus);color:var(--focus);font-weight:600}.audio-error{font-family:var(--font-sans);color:var(--ink-2);background:color-mix(in srgb, var(--warn) 8%, var(--paper));border:1px solid color-mix(in srgb, var(--warn) 20%, transparent);border-radius:var(--r-sm);padding:8px 12px;font-size:14px;font-weight:400}.audio-duration{font-family:var(--font-mono);color:var(--ink-3);margin-top:-8px;font-size:11px;font-weight:400}.auth-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);width:100%;max-width:440px;margin:0 auto;padding:40px}.field{flex-direction:column;gap:6px;margin-bottom:20px;display:flex}.field label{color:var(--ink-2);letter-spacing:.01em;font-size:13px;font-weight:600}.field input{border:1.5px solid var(--line-2);border-radius:var(--r-sm);background:var(--paper);color:var(--ink);padding:10px 14px;font-size:15px;line-height:1.4;transition:border-color .15s}.field input:focus{border-color:var(--focus);outline:none}.field input.error{border-color:var(--wrong)}.field-error{color:var(--wrong);font-size:13px;font-family:var(--font-mono)}.btn-primary{background:var(--accent);color:#fff;border-radius:var(--r-sm);letter-spacing:.01em;cursor:pointer;border:none;justify-content:center;align-items:center;width:100%;min-height:44px;padding:12px 24px;font-size:15px;font-weight:600;transition:opacity .15s;display:inline-flex}.btn-primary:hover{opacity:.9}.btn-primary:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.btn-ghost{color:var(--ink-2);border:1.5px solid var(--line-2);border-radius:var(--r-sm);cursor:pointer;background:0 0;justify-content:center;align-items:center;min-height:44px;padding:8px 16px;font-size:14px;font-weight:500;transition:border-color .15s;display:inline-flex}.btn-ghost:hover{border-color:var(--ink-3)}.auth-link{color:var(--focus);font-size:14px;text-decoration:underline}.auth-link:hover{opacity:.8}