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32px;font-size:16px;font-weight:600}.alert{padding:16px;border-radius:8px;margin-bottom:24px;font-weight:500}.alert-error{background-color:#fef2f2;color:var(--danger-color);border:1px solid #fecaca}@media (max-width: 768px){.facturas-form{max-width:100%;padding:0 10px}.facturas-form .grid-2{grid-template-columns:1fr;gap:16px}.form-section{padding:16px}.form-section h3{font-size:16px}.resumen-importes{padding:16px}.resumen-importes h3{font-size:18px}.btn-large{padding:14px 24px;font-size:14px;width:100%}}@media (max-width: 480px){.form-section{padding:12px}.form-section h3{font-size:14px}.resumen-importes{padding:12px}.importe-item{font-size:14px}.importe-item.total{font-size:16px}}.historial-facturas{max-width:1200px;margin:0 auto}.historial-vacio{max-width:500px;margin:0 auto}.historial-vacio-content{padding:48px 24px}.historial-vacio-icon{font-size:64px;margin-bottom:24px}.historial-vacio h3{color:var(--text-primary);margin-bottom:12px}.historial-vacio 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#CD853F;--accent-color: #F4A460;--background: #FFF8F0;--card-background: #FFFFFF;--border-color: #E8D5C4;--text-primary: #3E2723;--text-secondary: #6D4C41;--shadow: 0 2px 8px 0 rgba(139, 69, 19, .15), 0 1px 3px -1px rgba(139, 69, 19, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background-color:var(--background);color:var(--text-primary);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{padding:12px 24px;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;gap:8px;text-decoration:none;box-shadow:0 2px 6px #8b451333;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:hover:before{width:300px;height:300px}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:#fff;border:2px solid var(--primary-hover)}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-hover) 0%,var(--secondary-color) 100%);transform:translateY(-2px);box-shadow:0 4px 12px #8b45134d}.btn-secondary{background-color:transparent;color:var(--secondary-color);border:2px solid var(--border-color)}.btn-secondary:hover{background-color:var(--background);border-color:var(--primary-color);color:var(--primary-color)}.btn-success{background:linear-gradient(135deg,var(--success-color) 0%,#1e3a0e 100%);color:#fff;border:2px solid var(--success-color)}.btn-success:hover{transform:translateY(-2px);box-shadow:0 4px 12px #2d50164d}.btn-danger{background:linear-gradient(135deg,var(--danger-color) 0%,#9a1829 100%);color:#fff;border:2px solid var(--danger-color)}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 4px 12px 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ease;position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color) 0%,var(--accent-color) 50%,var(--primary-color) 100%)}.card:hover{transform:translateY(-4px);box-shadow:0 8px 20px #8b45132e}.card-header{margin-bottom:24px}.card-title{font-size:22px;font-weight:700;color:var(--primary-color);margin-bottom:10px}.card-description{color:var(--text-secondary);font-size:14px;line-height:1.6}.table{width:100%;border-collapse:collapse;background-color:var(--card-background);border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-color)}.table th{background-color:var(--background);font-weight:600;color:var(--text-primary)}.table tr:hover{background-color:var(--background)}.grid{display:grid;gap:24px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.text-center{text-align:center}.text-right{text-align:right}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mt-4{margin-top:16px}.flex{display:flex}.justify-between{justify-content:space-between}.align-center{align-items:center}.gap-4{gap:16px}.error{color:var(--danger-color);font-size:14px;margin-top:4px}.form-input.error{border-color:var(--danger-color)}.loading{display:inline-block;width:20px;height:20px;border:2px solid var(--border-color);border-radius:50%;border-top-color:var(--primary-color);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}