:root{--primary:#e11d48;--primary-hover:#be123c;--primary-light:#ffe4e6;--bg:#fff;--surface:#f8fafc;--surface-border:#e2e8f0;--text:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--author-benja:#2563eb;--author-vale:#7c3aed;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--radius:12px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{background-color:var(--bg);height:100%;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}button,a,input,select,textarea{font-family:inherit;font-size:1rem}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--primary);outline-offset:2px}button{border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;min-width:44px;min-height:44px;padding:.6rem 1.2rem;font-weight:600;transition:background-color .15s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:active{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--surface);color:var(--text);border:1px solid var(--surface-border)}.btn-secondary:active{background-color:var(--surface-border)}.input-field{border:1px solid var(--surface-border);border-radius:var(--radius);width:100%;min-height:44px;color:var(--text);background-color:#fff;margin-top:.3rem;padding:.6rem .8rem}.input-field:focus{outline:2px solid var(--primary);border-color:#0000}.app-container{background-color:#fff;flex-direction:column;max-width:600px;min-height:100vh;margin:0 auto;display:flex;position:relative;box-shadow:0 0 20px #0000000d}.app-main{flex:1;padding:1rem 1rem 5rem}.app-nav{border-top:1px solid var(--surface-border);z-index:1000;background-color:#fff;justify-content:space-around;align-items:center;max-width:600px;height:60px;margin:0 auto;padding:0 .5rem;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{color:var(--text-muted);border-radius:8px;flex-direction:column;align-items:center;min-width:48px;padding:.4rem .5rem;font-size:.75rem;font-weight:500;text-decoration:none;display:flex}.nav-item.active{color:var(--primary);font-weight:700}.nav-icon{margin-bottom:2px;font-size:1.25rem}.author-badge{border-radius:9999px;align-items:center;gap:.3rem;padding:.2rem .5rem;font-size:.8rem;font-weight:600;display:inline-flex}.author-badge-benja{color:var(--author-benja);background-color:#dbeafe;border:1px solid #bfdbfe}.author-badge-vale{color:var(--author-vale);background-color:#f3e8ff;border:1px solid #e9d5ff}.feedback-box{border-radius:var(--radius);margin-bottom:1rem;padding:.8rem 1rem;font-size:.9rem;line-height:1.4}.feedback-guardado{color:#15803d;background-color:#dcfce7;border:1px solid #bbf7d0}.feedback-requiere_datos{color:#854d0e;background-color:#fef9c3;border:1px solid #fef08a}.feedback-parcial{color:#c2410c;background-color:#ffedd5;border:1px solid #fed7aa}.feedback-error{color:#b91c1c;background-color:#fee2e2;border:1px solid #fecaca}