/* ========================================
   Libro de Reclamaciones Perú - Frontend CSS
   Diseño moderno y completamente responsivo
   ======================================== */

/* Variables CSS */
:root {
    --lrp-primary: #2563eb;
    --lrp-primary-dark: #1e40af;
    --lrp-primary-light: #3b82f6;
    --lrp-success: #10b981;
    --lrp-error: #ef4444;
    --lrp-warning: #f59e0b;
    --lrp-info: #3b82f6;
    --lrp-gray-50: #f9fafb;
    --lrp-gray-100: #f3f4f6;
    --lrp-gray-200: #e5e7eb;
    --lrp-gray-300: #d1d5db;
    --lrp-gray-400: #9ca3af;
    --lrp-gray-500: #6b7280;
    --lrp-gray-600: #4b5563;
    --lrp-gray-700: #374151;
    --lrp-gray-800: #1f2937;
    --lrp-gray-900: #111827;
    --lrp-white: #ffffff;
    --lrp-radius: 8px;
    --lrp-radius-lg: 12px;
    --lrp-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --lrp-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --lrp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --lrp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Reset y estilos base */
.lrp-container * {
    box-sizing: border-box;
}

.lrp-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--lrp-gray-800);
    line-height: 1.6;
}

/* Header */
.lrp-header {
    background: linear-gradient(135deg, var(--lrp-primary) 0%, var(--lrp-primary-dark) 100%);
    color: var(--lrp-white);
    padding: 2.5rem 2rem;
    border-radius: var(--lrp-radius-lg);
    margin-bottom: 2rem;
    box-shadow: var(--lrp-shadow-lg);
}

.lrp-header-content {
    text-align: center;
    margin-bottom: 1.5rem;
}

.lrp-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.lrp-icon {
    width: 2.5rem;
    height: 2.5rem;
}

.lrp-subtitle {
    font-size: 0.95rem;
    margin: 0;
    opacity: 0.95;
    font-weight: 400;
}

.lrp-empresa-info {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.25rem;
    border-radius: var(--lrp-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.lrp-empresa-info p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.lrp-empresa-info p:first-child {
    margin-top: 0;
}

.lrp-empresa-info p:last-child {
    margin-bottom: 0;
}

/* Info boxes */
.lrp-info-box {
    background: var(--lrp-gray-50);
    border-left: 4px solid var(--lrp-info);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: var(--lrp-radius);
    display: flex;
    gap: 1rem;
}

.lrp-info-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.lrp-info-content h3 {
    margin: 0 0 0.75rem 0;
    font-size: 1.1rem;
    color: var(--lrp-gray-800);
}

.lrp-info-content ul {
    margin: 0;
    padding-left: 1.25rem;
}

.lrp-info-content li {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--lrp-gray-700);
}

.lrp-info-warning {
    background: #fffbeb;
    border-left-color: var(--lrp-warning);
}

.lrp-info-success {
    background: #f0fdf4;
    border-left-color: var(--lrp-success);
}

/* Form */
.lrp-form {
    background: var(--lrp-white);
    border-radius: var(--lrp-radius-lg);
    box-shadow: var(--lrp-shadow-lg);
    overflow: hidden;
}

/* Secciones */
.lrp-section {
    padding: 2rem;
    border-bottom: 1px solid var(--lrp-gray-200);
}

.lrp-section:last-child {
    border-bottom: none;
}

.lrp-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--lrp-gray-900);
    margin: 0 0 1.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.lrp-section-number {
    background: var(--lrp-primary);
    color: var(--lrp-white);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

/* Form rows y columns */
.lrp-form-row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.lrp-form-row:last-child {
    margin-bottom: 0;
}

.lrp-col-12 { grid-column: span 12; }
.lrp-col-8 { grid-column: span 8; }
.lrp-col-6 { grid-column: span 6; }
.lrp-col-4 { grid-column: span 4; }

/* Form groups */
.lrp-form-group {
    display: flex;
    flex-direction: column;
}

.lrp-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--lrp-gray-700);
    margin-bottom: 0.5rem;
    display: block;
}

.lrp-required {
    color: var(--lrp-error);
    font-weight: 700;
}

.lrp-help-text {
    font-size: 0.85rem;
    color: var(--lrp-gray-500);
    margin-top: 0.375rem;
    display: block;
}

/* Inputs */
.lrp-input,
.lrp-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--lrp-gray-300);
    border-radius: var(--lrp-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background: var(--lrp-white);
    color: var(--lrp-gray-900);
}

.lrp-input:focus,
.lrp-textarea:focus {
    outline: none;
    border-color: var(--lrp-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.lrp-input::placeholder,
.lrp-textarea::placeholder {
    color: var(--lrp-gray-400);
}

.lrp-input:invalid:not(:focus):not(:placeholder-shown),
.lrp-textarea:invalid:not(:focus):not(:placeholder-shown) {
    border-color: var(--lrp-error);
}

.lrp-textarea {
    resize: vertical;
    min-height: 100px;
}

select.lrp-input {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
    appearance: none;
}

/* Checkboxes y radios */
.lrp-checkbox-group,
.lrp-radio-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.lrp-checkbox,
.lrp-radio {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    cursor: pointer;
    flex-shrink: 0;
}

.lrp-checkbox-label,
.lrp-radio-label {
    cursor: pointer;
    user-select: none;
    font-size: 0.95rem;
    color: var(--lrp-gray-700);
}

.lrp-radio-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.lrp-radio-item {
    background: var(--lrp-gray-50);
    padding: 1rem;
    border-radius: var(--lrp-radius);
    border: 2px solid var(--lrp-gray-200);
    transition: all 0.2s ease;
}

.lrp-radio-item:hover {
    background: var(--lrp-gray-100);
}

.lrp-radio:checked + .lrp-radio-label {
    color: var(--lrp-primary);
}

.lrp-radio:checked ~ .lrp-radio-item,
.lrp-radio-item:has(input:checked) {
    border-color: var(--lrp-primary);
    background: rgba(37, 99, 235, 0.05);
}

.lrp-radio-label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.lrp-radio-label span {
    font-size: 0.85rem;
    color: var(--lrp-gray-600);
    font-weight: 400;
}

/* Sección de tutor */
.lrp-tutor-section {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--lrp-gray-50);
    border-radius: var(--lrp-radius);
    border: 2px dashed var(--lrp-gray-300);
}

/* Declaración */
.lrp-declaracion {
    background: var(--lrp-gray-50);
    padding: 1.5rem;
    border-radius: var(--lrp-radius);
    margin-bottom: 1.5rem;
}

/* Botones */
.lrp-form-actions {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.lrp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--lrp-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: inherit;
}

.lrp-btn-primary {
    background: var(--lrp-primary);
    color: var(--lrp-white);
    box-shadow: var(--lrp-shadow-md);
}

.lrp-btn-primary:hover:not(:disabled) {
    background: var(--lrp-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--lrp-shadow-lg);
}

.lrp-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.lrp-btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Loading state */
.lrp-btn.loading {
    position: relative;
    color: transparent;
}

.lrp-btn.loading::after {
    content: '';
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    top: 50%;
    left: 50%;
    margin-left: -0.625rem;
    margin-top: -0.625rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--lrp-white);
    animation: lrp-spin 0.6s linear infinite;
}

@keyframes lrp-spin {
    to { transform: rotate(360deg); }
}

/* Mensajes */
.lrp-mensaje {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    border-radius: var(--lrp-radius);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: lrp-slideIn 0.3s ease;
}

@keyframes lrp-slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lrp-mensaje.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.lrp-mensaje.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.lrp-mensaje.info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Responsive Design */
@media (max-width: 768px) {
    .lrp-container {
        margin: 1rem auto;
        padding: 0 0.75rem;
    }
    
    .lrp-header {
        padding: 2rem 1.5rem;
    }
    
    .lrp-title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .lrp-icon {
        width: 2rem;
        height: 2rem;
    }
    
    .lrp-section {
        padding: 1.5rem 1rem;
    }
    
    .lrp-section-title {
        font-size: 1.25rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .lrp-form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .lrp-col-12,
    .lrp-col-8,
    .lrp-col-6,
    .lrp-col-4 {
        grid-column: span 1;
    }
    
    .lrp-info-box {
        flex-direction: column;
        padding: 1rem;
    }
    
    .lrp-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .lrp-header {
        padding: 1.5rem 1rem;
    }
    
    .lrp-title {
        font-size: 1.25rem;
    }
    
    .lrp-subtitle {
        font-size: 0.85rem;
    }
    
    .lrp-section {
        padding: 1.25rem 0.75rem;
    }
    
    .lrp-input,
    .lrp-textarea {
        font-size: 16px; /* Prevenir zoom en iOS */
    }
}

/* Print styles */
@media print {
    .lrp-form-actions,
    .lrp-btn {
        display: none;
    }
    
    .lrp-container {
        box-shadow: none;
    }
    
    .lrp-section {
        page-break-inside: avoid;
    }
}

/* Accessibility */
.lrp-input:focus-visible,
.lrp-textarea:focus-visible,
.lrp-checkbox:focus-visible,
.lrp-radio:focus-visible,
.lrp-btn:focus-visible {
    outline: 2px solid var(--lrp-primary);
    outline-offset: 2px;
}

/* Dark mode support (opcional) */
@media (prefers-color-scheme: dark) {
    /* Puedes agregar estilos dark mode aquí si lo deseas */
}