/**
 * CSS específico para layout con AdSense y diseño profesional
 * Calculadora de Finiquitos España - Optimizado para Desktop y Mobile
 */

/* Variables CSS modernas */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-secondary: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    --bg-main: #f9fafb;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --transition: all 0.2s ease-in-out;
}

/* Reset y estilos base mejorados */
* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Contenedor principal responsive */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}

@media (min-width: 1536px) {
    .container {
        max-width: 1400px;
    }
}

/* Layout Grid Responsive */
.main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 1024px) {
    .main-grid {
        grid-template-columns: 200px 1fr 200px;
        gap: 2rem;
    }
}

@media (min-width: 1280px) {
    .main-grid {
        grid-template-columns: 250px 1fr 250px;
    }
}

/* AdSense Sidebar - Solo visible en desktop */
.adsense-sidebar {
    display: none;
}

@media (min-width: 1024px) {
    .adsense-sidebar {
        display: block;
    }
}

.adsense-sticky {
    position: sticky;
    top: 5rem;
}

.adsense-block {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.adsense-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.adsense-placeholder {
    background: #f3f4f6;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-sm);
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Contenedor principal de contenido */
.content-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.content-padding {
    padding: 1.5rem;
}

@media (min-width: 768px) {
    .content-padding {
        padding: 2rem;
    }
}

@media (min-width: 1024px) {
    .content-padding {
        padding: 2.5rem;
    }
}

/* Calculadora - Diseño de formulario mejorado */
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.form-section {
    background: rgba(249, 250, 251, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border: 1px solid rgba(229, 231, 235, 0.8);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

@media (min-width: 640px) {
    .form-section {
        padding: 2rem;
    }
}

.form-section-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.form-section-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    margin-right: 1rem;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.form-section-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

@media (min-width: 640px) {
    .form-section-title {
        font-size: 1.25rem;
    }
}

/* Campos de formulario mejorados con mayor especificidad */
.form-field {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block !important;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.form-input,
.form-select {
    width: 100% !important;
    padding: 0.75rem 1rem !important;
    border: 2px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    font-size: 0.9375rem !important;
    transition: var(--transition);
    background: white !important;
    color: var(--text-primary) !important;
    line-height: 1.5 !important;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e") !important;
    background-position: right 0.5rem center !important;
    background-repeat: no-repeat !important;
    background-size: 1.5em 1.5em !important;
    padding-right: 2.5rem !important;
}

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

.form-input::placeholder {
    color: #9ca3af !important;
    opacity: 1;
}

/* Texto de ayuda bajo los campos */
.form-field p.text-gray-500,
.form-field .text-xs {
    color: #6b7280 !important;
    font-size: 0.75rem !important;
    margin-top: 0.375rem !important;
    line-height: 1.4;
}

/* Estilos específicos para inputs de fecha */
input[type="date"].form-input {
    cursor: pointer;
    position: relative;
}

input[type="date"].form-input::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
}

input[type="date"].form-input::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* Estilos específicos para inputs de número */
input[type="number"].form-input {
    -moz-appearance: textfield;
    appearance: textfield;
}

input[type="number"].form-input::-webkit-outer-spin-button,
input[type="number"].form-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Botones mejorados */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background: #4b5563;
}

/* Panel de resultados mejorado */
.results-panel {
    background: white;
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    min-height: 400px;
}

.results-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    text-align: center;
    padding: 2rem;
}

.results-empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.results-empty-text {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Resultado de indemnización */
.result-container {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 2px solid var(--color-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.result-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #047857;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
}

.result-amount {
    font-size: 2rem;
    font-weight: 800;
    color: #047857;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .result-amount {
        font-size: 2.5rem;
    }
}

.result-detail {
    background: white;
    border-radius: var(--radius-sm);
    padding: 0.875rem;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(16, 185, 129, 0.2);
    font-size: 0.9375rem;
}

.result-detail-label {
    font-weight: 500;
    color: var(--text-primary);
}

.result-detail-value {
    font-weight: 600;
    color: var(--color-secondary);
}

/* Información Legal - Grid responsive */
.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .info-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.info-card {
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.info-card-blue {
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.95) 0%, rgba(219, 234, 254, 0.95) 100%);
    border-color: #93c5fd;
}

.info-card-yellow {
    background: linear-gradient(135deg, rgba(255, 251, 235, 0.95) 0%, rgba(254, 243, 199, 0.95) 100%);
    border-color: #fde68a;
}

.info-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
}

.info-card-icon {
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    margin-right: 0.75rem;
}

.info-card-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
}

.info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-list-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
}

.info-list-item:last-child {
    margin-bottom: 0;
}

.info-list-icon {
    margin-right: 0.5rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* Alertas mejoradas */
.alert {
    border-radius: var(--radius-md);
    padding: 1rem;
    margin: 1rem 0;
    border: 1px solid;
    display: flex;
    align-items: flex-start;
    font-size: 0.9375rem;
}

.alert-info {
    background-color: #eff6ff;
    border-color: #3b82f6;
    color: #1e40af;
}

.alert-warning {
    background-color: #fffbeb;
    border-color: #f59e0b;
    color: #92400e;
}

.alert-success {
    background-color: #ecfdf5;
    border-color: #10b981;
    color: #047857;
}

.alert-error {
    background-color: #fef2f2;
    border-color: #ef4444;
    color: #991b1b;
}

/* Anuncios móviles */
.mobile-adsense {
    display: block;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin: 1.5rem 0;
    text-align: center;
}

@media (min-width: 1024px) {
    .mobile-adsense {
        display: none;
    }
}

.mobile-adsense-placeholder {
    background: #f3f4f6;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-sm);
    height: 100px;
    max-width: 320px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

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

.slide-down {
    animation: slideDown 0.3s ease-out;
}

/* Loading spinner */
.spinner {
    border: 3px solid #f3f4f6;
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mejoras de accesibilidad */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible para teclado */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Optimizaciones de rendimiento */
.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Print styles */
@media print {
    .adsense-sidebar,
    .mobile-adsense,
    header,
    footer,
    .no-print {
        display: none !important;
    }
    
    .content-card {
        box-shadow: none;
        border: 1px solid #000;
    }
}

/* Scrollbar personalizado (webkit) */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}