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var(--warning);--error-color: var(--error);--border-color: var(--card-border);--card-bg: var(--card);--text-primary: var(--text);--text-light: var(--text-tertiary);--bg-light: var(--bg);--bg-secondary: 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var(--transition);text-decoration:none;white-space:nowrap}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}.btn-primary:active:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--card);color:var(--text);border-color:var(--card-border)}.btn-secondary:hover:not(:disabled){background:var(--bg);border-color:#b9cdbd}.btn-outline{background:transparent;color:var(--text-secondary);border-color:var(--card-border)}.btn-outline:hover:not(:disabled){color:var(--primary);border-color:var(--primary);background:var(--primary-light)}.btn-ghost{background:transparent;color:var(--text-secondary);border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--bg);color:var(--text)}.btn-danger{background:var(--error);color:#fff;border-color:var(--error)}.btn-danger:hover:not(:disabled){background:#b91c1c;border-color:#b91c1c}.btn-success{background:var(--success);color:#fff;border-color:var(--success)}.btn-block{width:100%;justify-content:center}.btn-sm{padding:6px 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