/* =================== Variables y Configuración Global =================== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =================== Navegación =================== */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.brand-icon {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.nav-icon {
    font-size: 1.2rem;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    font-weight: 500;
}

/* =================== Mensajes de Alerta =================== */
.messages-container {
    max-width: 1400px;
    margin: 1rem auto;
    padding: 0 2rem;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    animation: slideDown 0.3s ease;
}

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

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.alert-error,
.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background-color: #cffafe;
    color: #164e63;
    border-left: 4px solid var(--info-color);
}

.alert-icon {
    font-size: 1.5rem;
    font-weight: bold;
}

.alert-close {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    transition: var(--transition);
}

.alert-close:hover {
    opacity: 1;
}

/* =================== Contenido Principal =================== */
.main-content {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* =================== Headers de Página =================== */
.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 700;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* =================== Botones =================== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    text-align: center;
    justify-content: center;
}

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

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
}

.btn-info {
    background-color: var(--info-color);
    color: white;
}

.btn-info:hover {
    background-color: #0891b2;
}

.btn-outline-danger {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

.btn-outline-danger:hover {
    background-color: white;
    color: var(--danger-color);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    font-size: 1.2rem;
}

.btn-copy {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    transition: var(--transition);
}

.btn-copy:hover {
    transform: scale(1.2);
}

/* =================== Tarjetas =================== */
.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

/* =================== Formularios =================== */
.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

.form-group {
    margin-bottom: 1.5rem;
    flex: 1;
    min-width: 200px;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.form-card h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.3rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.error {
    color: var(--danger-color);
    font-size: 0.9rem;
    margin-top: 0.25rem;
    display: block;
}

.help-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: block;
    margin-top: 0.25rem;
}

/* =================== Autenticación =================== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 2rem;
}

.auth-box {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.auth-form {
    margin-bottom: 1.5rem;
}

.auth-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* =================== Dashboard =================== */
.dashboard-container {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    border-left: 4px solid;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-primary {
    border-color: var(--primary-color);
}

.stat-success {
    border-color: var(--success-color);
}

.stat-info {
    border-color: var(--info-color);
}

.stat-warning {
    border-color: var(--warning-color);
}

.stat-icon {
    font-size: 3rem;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* =================== Acciones Rápidas =================== */
.quick-actions {
    margin-bottom: 2rem;
}

.quick-actions h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.action-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    border: 2px solid transparent;
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.action-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.action-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.action-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* =================== Tablas =================== */
.table-responsive {
    overflow-x: auto;
    margin-bottom: 1rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.data-table thead {
    background-color: var(--primary-color);
    color: white;
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr:hover {
    background-color: #f8fafc;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* =================== Badges =================== */
.badge {
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
}

.badge-pending {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-active {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-in_transit {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-delivered {
    background-color: #ddd6fe;
    color: #5b21b6;
}

.badge-cancelled {
    background-color: #fee2e2;
    color: #991b1b;
}

/* =================== Empty State =================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* =================== Búsqueda SAT =================== */
.search-section {
    margin-bottom: 2rem;
}

.search-form {
    display: flex;
    justify-content: center;
}

.search-input-group {
    display: flex;
    gap: 0.5rem;
    width: 100%;
    max-width: 700px;
}

.search-input {
    flex: 1;
}

.results-section {
    margin-top: 2rem;
}

.results-header {
    margin-bottom: 1.5rem;
}

.results-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.results-count {
    color: var(--text-secondary);
}

.sat-code {
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.info-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--info-color);
}

.info-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.info-card p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.examples {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 8px;
}

.examples h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.examples ul {
    list-style-position: inside;
    color: var(--text-secondary);
}

/* =================== Cotizaciones =================== */
.quotes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.quote-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.quote-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.quote-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.carrier-info h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.service-type {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.quote-price {
    text-align: right;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.currency {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: block;
}

.quote-details {
    margin-bottom: 1rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
}

.detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* =================== Generar Guía =================== */
.selected-quote-info {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
}

.selected-quote-info h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.selected-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-row .label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.detail-row strong {
    font-size: 1.1rem;
}

.detail-row .price {
    font-size: 1.5rem;
}

/* =================== Mis Guías =================== */
.guias-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.guia-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

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

.guia-header {
    background-color: #f8fafc;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.guia-main-info h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.tracking-number {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.guia-status {
    text-align: right;
}

.guia-cost {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success-color);
    margin-top: 0.5rem;
}

.guia-body {
    padding: 1.5rem;
}

.address-info {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.address-block {
    flex: 1;
    min-width: 250px;
}

.address-block h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.address-block p {
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
}

.address-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    align-self: center;
}

.package-info {
    display: flex;
    gap: 2rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 8px;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    gap: 0.5rem;
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.guia-actions {
    padding: 1rem 1.5rem;
    background-color: #f8fafc;
    border-top: 2px solid var(--border-color);
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* =================== Workflow =================== */
.workflow-section {
    margin-top: 3rem;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.workflow-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    color: var(--text-primary);
}

.workflow-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.workflow-step {
    flex: 1;
    min-width: 180px;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.workflow-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

/* =================== Utilidades =================== */
.text-center {
    text-align: center;
}

.mt-3 {
    margin-top: 1.5rem;
}

.pagination-info {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
}

/* =================== Checkboxes de Carriers =================== */
.carriers-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 8px;
}

.carriers-checkboxes label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: normal;
}

.carriers-checkboxes label:hover {
    border-color: var(--primary-color);
    background-color: #f0f7ff;
}

.carriers-checkboxes input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.carriers-checkboxes input[type="checkbox"]:checked + label,
.carriers-checkboxes label:has(input[type="checkbox"]:checked) {
    border-color: var(--primary-color);
    background-color: #e0f2fe;
    font-weight: 600;
}

/* =================== Autocompletado SAT =================== */
.sat-autocomplete-container {
    position: relative;
}

.sat-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    border: 2px solid var(--primary-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    display: none;
}

.sat-suggestion-item {
    padding: 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sat-suggestion-item:last-child {
    border-bottom: none;
}

.sat-suggestion-item:hover {
    background-color: #f0f7ff;
}

.sat-suggestion-item.loading,
.sat-suggestion-item.no-results,
.sat-suggestion-item.error {
    justify-content: center;
    color: var(--text-secondary);
    cursor: default;
}

.sat-suggestion-item.loading:hover,
.sat-suggestion-item.no-results:hover,
.sat-suggestion-item.error:hover {
    background-color: white;
}

.sat-suggestion-item.error {
    color: var(--danger-color);
}

.sat-code-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    min-width: 100px;
    text-align: center;
}

.sat-description {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* =================== Address Autocomplete =================== */
.address-autocomplete-container {
    position: relative;
}

.address-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    border: 2px solid var(--success-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 350px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    display: none;
}

.address-suggestion-item {
    padding: 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.address-suggestion-item:last-child {
    border-bottom: none;
}

.address-suggestion-item:hover {
    background-color: #f0fdf4;
}

.address-suggestion-item.loading,
.address-suggestion-item.no-results,
.address-suggestion-item.error {
    text-align: center;
    color: var(--text-secondary);
    cursor: default;
}

.address-suggestion-item.loading:hover,
.address-suggestion-item.no-results:hover,
.address-suggestion-item.error:hover {
    background-color: white;
}

.address-suggestion-item.error {
    color: var(--danger-color);
}

.address-display {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.address-display strong {
    color: var(--text-primary);
    font-size: 1rem;
}

.address-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.address-cp {
    color: var(--success-color);
    font-weight: 600;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.address-selected-notification {
    animation: slideDown 0.3s ease;
}

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

/* =================== Warning Card =================== */
.warning-card {
    background-color: #fef3c7;
    border: 2px solid var(--warning-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

.warning-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.warning-card h3 {
    color: #92400e;
    margin-bottom: 0.5rem;
}

.warning-card p {
    color: #78350f;
}

/* =================== Guia Info Card =================== */
.guia-info-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.guia-info-card h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.3rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

/* =================== Footer =================== */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 2rem;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-content p {
    margin: 0.5rem 0;
    opacity: 0.9;
}

/* =================== Responsive =================== */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        text-align: center;
    }

    .nav-menu {
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .actions-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
    }

    .quotes-grid {
        grid-template-columns: 1fr;
    }

    .address-info {
        flex-direction: column;
    }

    .address-arrow {
        transform: rotate(90deg);
    }

    .workflow-steps {
        flex-direction: column;
    }

    .workflow-arrow {
        transform: rotate(90deg);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}

/* =================== IA Parse Section =================== */
.ai-parse-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
}

.ai-parse-section h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.ai-parse-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.ai-textarea {
    width: 100%;
    min-height: 180px;
    padding: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    resize: vertical;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
}

.ai-textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.6);
    background: white;
}

.ai-textarea::placeholder {
    color: #999;
    font-size: 0.9rem;
}

.ai-status {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 6px;
    font-weight: 500;
    min-height: 40px;
}

.ai-status .success {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.ai-status .error {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.ai-status .loading {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

/* =================== Address Selection =================== */
#origin-address-select,
#destination-address-select {
    background-color: #f0f9ff;
    border: 2px solid #3b82f6;
    font-weight: 500;
    padding: 0.875rem;
}

#origin-address-select:focus,
#destination-address-select:focus {
    border-color: #2563eb;
    background-color: white;
}

#origin-address-select option,
#destination-address-select option {
    padding: 0.5rem;
}

/* =================== Responsive Design - Mobile First =================== */

/* Tablets y pantallas medianas (max 992px) */
@media (max-width: 992px) {
    .container {
        padding: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .nav-links a {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .rate-card {
        padding: 1rem;
    }
    
    .rate-details {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .guia-grid {
        grid-template-columns: 1fr;
    }
}

/* Móviles (max 768px) */
@media (max-width: 768px) {
    :root {
        --border-radius: 8px;
    }
    
    body {
        font-size: 14px;
    }
    
    /* Navbar */
    .nav-container {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0 1rem;
    }
    
    .nav-brand a {
        font-size: 1.25rem;
    }
    
    .brand-icon {
        font-size: 1.75rem;
    }
    
    .nav-menu {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .nav-link {
        flex: 1 1 auto;
        min-width: 90px;
        text-align: center;
        padding: 0.625rem 0.5rem;
        font-size: 0.85rem;
        justify-content: center;
    }
    
    .nav-icon {
        font-size: 1rem;
    }
    
    .nav-user {
        width: 100%;
        justify-content: center;
        padding-top: 0.5rem;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .user-name {
        font-size: 0.9rem;
    }
    
    .nav-user .btn {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }
    
    /* Container */
    .container {
        padding: 0.75rem;
        max-width: 100%;
    }
    
    /* Headers */
    .page-header {
        margin-bottom: 1.5rem;
    }
    
    .page-header h2 {
        font-size: 1.75rem;
    }
    
    .page-header p {
        font-size: 0.95rem;
    }
    
    /* Cards */
    .card, .form-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .form-card h3 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    /* Form elements */
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-control {
        font-size: 16px; /* Evita zoom en iOS */
        padding: 0.75rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        width: 100%;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    /* Rate cards */
    .rates-container {
        gap: 1rem;
    }
    
    .rate-card {
        padding: 1rem;
    }
    
    .rate-header h3 {
        font-size: 1.25rem;
    }
    
    .rate-price {
        font-size: 1.75rem;
    }
    
    .carrier-logo {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    /* Guías grid */
    .guia-card {
        padding: 1rem;
    }
    
    .guia-header h3 {
        font-size: 1.1rem;
    }
    
    .guia-info {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .guia-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .guia-actions .btn {
        width: 100%;
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    /* AI Parse Section */
    .ai-parse-section {
        padding: 1rem;
    }
    
    .ai-parse-section h3 {
        font-size: 1.1rem;
    }
    
    #ai-text-input {
        min-height: 120px;
        font-size: 14px;
    }
    
    /* Carrier checkboxes */
    .carriers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .carrier-checkbox label {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
    
    /* SAT Suggestions */
    .sat-suggestions {
        max-height: 250px;
    }
    
    .sat-suggestion-item {
        padding: 0.75rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .sat-code-badge {
        margin-bottom: 0.5rem;
    }
    
    /* Address autocomplete */
    .address-suggestions {
        max-height: 200px;
    }
    
    .address-suggestion-item {
        padding: 0.75rem;
    }
    
    /* Config page */
    .config-section {
        padding: 1rem;
    }
    
    .token-display {
        font-size: 0.75rem;
    }
    
    .token-actions {
        flex-wrap: wrap;
    }
    
    .token-actions .btn {
        flex: 1;
        min-width: 100px;
    }
}

/* Móviles pequeños (max 480px) */
@media (max-width: 480px) {
    .navbar h1 {
        font-size: 1.25rem;
    }
    
    .nav-links a {
        padding: 0.625rem 0.375rem;
        font-size: 0.8rem;
    }
    
    .page-header h2 {
        font-size: 1.5rem;
    }
    
    .carriers-grid {
        grid-template-columns: 1fr;
    }
    
    .rate-details {
        font-size: 0.85rem;
    }
    
    .badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.625rem;
    }
}

/* Landscape móvil */
@media (max-height: 500px) and (orientation: landscape) {
    .navbar {
        position: relative;
    }
    
    .page-header {
        margin-bottom: 1rem;
    }
    
    .form-card {
        padding: 0.75rem;
    }
}