:root{--pte-primary-color:#2563eb;--pte-secondary-color:#64748b;--pte-success-color:#10b981;--pte-warning-color:#f59e0b;--pte-error-color:#ef4444;--pte-background-color:#f8fafc;--pte-surface-color:#ffffff;--pte-text-primary:#1e293b;--pte-text-secondary:#64748b;--pte-border-color:#e2e8f0;--pte-border-radius:8px;--pte-shadow:0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);--pte-shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);--pte-font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}.pte-card{background:var(--pte-surface-color);border:1px solid var(--pte-border-color);border-radius:var(--pte-border-radius);box-shadow:var(--pte-shadow);padding:1.5rem;margin-bottom:1rem}.pte-button{background:var(--pte-primary-color);color:white;border:none;border-radius:var(--pte-border-radius);padding:0.75rem 1.5rem;font-family:var(--pte-font-family);font-weight:500;cursor:pointer;transition:all 0.2s ease}.pte-button:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:var(--pte-shadow-lg)}.pte-button:disabled{background:var(--pte-secondary-color);cursor:not-allowed;transform:none}.pte-input{width:100%;padding:0.75rem;border:1px solid var(--pte-border-color);border-radius:var(--pte-border-radius);font-family:var(--pte-font-family);font-size:1rem;transition:border-color 0.2s ease}.pte-input:focus{outline:none;border-color:var(--pte-primary-color);box-shadow:0 0 0 3px rgba(37, 99, 235, 0.1)}.pte-textarea{min-height:120px;resize:vertical}.pte-timer{font-family:"Courier New", monospace;font-size:1.25rem;font-weight:bold;color:var(--pte-text-primary)}.pte-timer.warning{color:var(--pte-warning-color)}.pte-timer.danger{color:var(--pte-error-color)}.pte-score{display:inline-flex;align-items:center;justify-content:center;min-width:3rem;height:3rem;border-radius:50%;font-weight:bold;font-size:1.125rem;color:white}.pte-score.excellent{background:var(--pte-success-color)}.pte-score.good{background:var(--pte-primary-color)}.pte-score.average{background:var(--pte-warning-color)}.pte-score.poor{background:var(--pte-error-color)}