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

/* Etiquetas solo para lectores de pantalla (mejora accesibilidad en búsqueda) */
.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;
}

:root {
    /* Amazon Corporate Colors */
    --amazon-orange: #FF9900;
    --amazon-orange-dark: #E47911;
    --amazon-black: #232F3E;
    --amazon-black-light: #37475A;
    --amazon-blue: #146EB4;
    --amazon-blue-dark: #0F5A8F;
    --amazon-gray: #F3F3F3;
    --amazon-gray-dark: #DADADA;
    
    /* Primary Colors (botones principales) */
    --primary-color: #FF9900;
    --primary-dark: #E47911;
    --secondary-color: #146EB4;
    --danger-color: #E74C3C;
    --warning-color: #F39C12;
    --success-color: #27AE60;
    
    /* Background Colors */
    --bg-color: #FFFFFF;
    --bg-secondary: #F3F3F3;
    --card-bg: #FFFFFF;
    --text-primary: #232F3E;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    
    /* Shadows */
    --shadow: 0 2px 4px rgba(35, 47, 62, 0.08), 0 1px 2px rgba(35, 47, 62, 0.06);
    --shadow-lg: 0 4px 12px rgba(35, 47, 62, 0.15), 0 2px 4px rgba(35, 47, 62, 0.1);
    --shadow-xl: 0 8px 24px rgba(35, 47, 62, 0.2), 0 4px 8px rgba(35, 47, 62, 0.15);
}

body {
    font-family: 'Amazon Ember', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(180deg, #F3F3F3 0%, #FFFFFF 100%);
    min-height: 100vh;
    padding: 0;
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Header */
.header {
    background: var(--amazon-black);
    padding: 20px 40px;
    margin-bottom: 0;
    box-shadow: var(--shadow-lg);
    position: relative;
    border-bottom: 3px solid var(--amazon-orange);
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header-content {
    margin-bottom: 20px;
}

/* Hamburguesa: solo visible en móvil (se muestra con media query) */
.header-hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.25rem;
    transition: background 0.2s;
}
.header-hamburger:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Panel del menú móvil (oculto por defecto, se muestra en móvil) */
.header-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.header-menu-panel {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    max-width: 85vw;
    height: 100vh;
    background: var(--amazon-black);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    flex-direction: column;
    overflow-y: auto;
}
.header-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.header-menu-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}
.header-menu-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: #fff;
    font-size: 1.25rem;
    cursor: pointer;
    border-radius: 8px;
}
.header-menu-close:hover {
    background: rgba(255, 255, 255, 0.1);
}
.header-menu-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.header-menu-item {
    width: 100%;
    min-height: 48px;
    padding: 12px 16px;
    font-size: 1rem;
    border-radius: 8px;
}
.header-menu-auth,
.header-menu-user {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.header-menu-user-name {
    color: #fff;
    font-weight: 600;
    padding: 12px 16px;
    font-size: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-zaz {
    height: 90px; /* agrandado */
    width: auto;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

.brand-text h1 {
    font-size: 2rem;
    color: #FFFFFF;
    margin: 0;
    font-weight: 700;
}

.subtitle {
    color: #E5E7EB;
    font-size: 1rem;
    margin-top: 5px;
}

.auth-section {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.auth-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.user-info {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 15px;
    flex-wrap: wrap;
}

.user-info span {
    font-weight: 600;
    color: #FFFFFF;
    font-size: 1rem;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Anuncio global: mismo ancho que el header, diseño moderno */
.global-announcement-banner {
    width: 100%;
    min-height: 48px;
    background: linear-gradient(90deg, #FF9900 0%, #FFB84D 50%, #FF9900 100%);
    background-size: 200% 100%;
    animation: announcementShine 8s ease-in-out infinite;
    box-shadow: 0 4px 20px rgba(255, 153, 0, 0.35);
    border-bottom: 2px solid rgba(35, 47, 62, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    position: relative;
    overflow: hidden;
}
.global-announcement-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, transparent 50%, rgba(0,0,0,0.05) 100%);
    pointer-events: none;
}
@keyframes announcementShine {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}
.global-announcement-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: #232F3E;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    text-shadow: 0 1px 2px rgba(255,255,255,0.4);
    position: relative;
    z-index: 1;
    max-width: 1600px;
    margin: 0 auto;
}
.global-announcement-content i {
    font-size: 1.35rem;
    flex-shrink: 0;
    opacity: 0.95;
    animation: announcementIcon 2.5s ease-in-out infinite;
}
@keyframes announcementIcon {
    0%, 100% { transform: scale(1); opacity: 0.95; }
    50% { transform: scale(1.08); opacity: 1; }
}

/* Main Content Wrapper */
.main-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 30px 40px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    background: var(--card-bg);
    padding: 8px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    overflow-x: auto;
    flex-wrap: wrap;
}

.tab-btn {
    flex: 0 1 auto;
    min-width: 150px;
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--amazon-orange);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.tab-btn:hover::before {
    width: 80%;
}

.tab-btn:hover {
    background: var(--bg-secondary);
    color: var(--amazon-black);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--amazon-orange);
    color: #FFFFFF;
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.tab-btn.active::before {
    width: 100%;
    height: 3px;
    background: var(--amazon-orange-dark);
}

.tab-btn i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.tab-btn:hover i,
.tab-btn.active i {
    transform: scale(1.15) rotate(5deg);
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

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

/* Smooth page transitions */
.tab-content {
    animation: fadeInUp 0.4s ease-out;
}

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

/* Search Section */
.search-section {
    background: var(--card-bg);
    padding: 28px 32px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    animation: slideInFromLeft 0.5s ease-out;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.search-section h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: end;
}

.search-form input {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-form input:focus {
    outline: none;
    border-color: var(--amazon-orange);
    box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.1);
}

/* Advanced Filters */
.advanced-filters {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.filter-group input,
.filter-group select {
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--amazon-orange);
    box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.1);
}

.filter-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: #3B82F6;
}

/* Cards Container */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 24px;
    max-width: 100%;
    width: 100%;
    position: relative;
    align-items: start;
    grid-auto-rows: min-content;
}

/* Large screens optimization */
@media (min-width: 1200px) {
    .cards-container {
        grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
        gap: 32px;
    }
}

@media (min-width: 1600px) {
    .cards-container {
        grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
        gap: 40px;
    }
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--amazon-orange);
    display: flex;
    flex-direction: column;
    animation: cardFadeIn 0.5s ease-out;
    opacity: 0;
    animation-fill-mode: forwards;
    position: relative;
    width: 100%;
    min-width: 0;
    margin: 0;
    box-sizing: border-box;
}

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

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }
.card:nth-child(5) { animation-delay: 0.5s; }
.card:nth-child(6) { animation-delay: 0.6s; }
.card:nth-child(n+7) { animation-delay: 0.7s; }

/* Large screens - bigger cards */
@media (min-width: 1200px) {
    .card {
        padding: 32px;
        border-left-width: 6px;
        border-radius: 16px;
    }
    .card-offer,
    .card-request {
        border-left-width: 6px;
    }
}

@media (min-width: 1600px) {
    .card {
        padding: 40px;
        border-left-width: 8px;
    }
    .card-offer,
    .card-request {
        border-left-width: 8px;
    }
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-left-color: var(--amazon-orange-dark);
}

/* Diferenciar colores por tipo de tarjeta */
.card-offer {
    border-left: 5px solid var(--amazon-orange);
}

.card-offer:hover {
    border-left-color: var(--amazon-orange-dark);
}

.card-request {
    border-left: 5px solid var(--secondary-color);
}

.card-request:hover {
    border-left-color: var(--amazon-blue-dark);
}

.card-request .info-item i {
    color: var(--secondary-color);
}

.card-request .info-item:hover i {
    color: var(--amazon-blue-dark);
}

.card-request .card-title:hover i {
    color: var(--secondary-color);
}

/* Asegurar azul en la pestaña de Solicitudes, incluso si alguna tarjeta no tiene clase específica */
#requests-tab .card {
    border-left: 5px solid var(--secondary-color);
}

#requests-tab .card:hover {
    border-left-color: var(--amazon-blue-dark);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

@media (min-width: 1200px) {
    .card-header {
        margin-bottom: 28px;
        padding-bottom: 24px;
    }
}

.card-title {
    font-size: 1.2rem;
    color: var(--amazon-black);
    font-weight: 700;
    line-height: 1.5;
    flex: 1;
    padding-right: 15px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

@media (min-width: 1200px) {
    .card-title {
        font-size: 1.4rem;
        line-height: 1.6;
        padding-right: 20px;
    }
}

@media (min-width: 1600px) {
    .card-title {
        font-size: 1.6rem;
        padding-right: 25px;
    }
}

.card-title i {
    font-size: 1.3rem;
    margin-right: 8px;
    transition: all 0.3s ease;
    display: inline-block;
}

.card-title:hover i {
    transform: rotate(15deg) scale(1.1);
    color: var(--amazon-orange-dark);
}

@media (min-width: 1200px) {
    .card-title i {
        font-size: 1.5rem;
        margin-right: 10px;
    }
}

@media (min-width: 1600px) {
    .card-title i {
        font-size: 1.7rem;
        margin-right: 12px;
    }
}

.card-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.contact-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
    flex-wrap: wrap;
}

@media (min-width: 1200px) {
    .contact-actions {
        gap: 15px;
        margin-top: 24px;
        padding-top: 24px;
    }
}

@media (min-width: 1600px) {
    .contact-actions {
        gap: 18px;
        margin-top: 28px;
        padding-top: 28px;
    }
}

.btn-contact {
    flex: 1;
    min-width: 120px;
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.btn-contact::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.btn-contact:hover::before {
    width: 300px;
    height: 300px;
}

.btn-contact i {
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.btn-contact:hover i {
    transform: scale(1.2) rotate(-5deg);
}

@media (min-width: 1200px) {
    .btn-contact {
        min-width: 140px;
        padding: 14px 24px;
        font-size: 1.05rem;
        border-radius: 12px;
        gap: 12px;
    }
}

@media (min-width: 1600px) {
    .btn-contact {
        min-width: 160px;
        padding: 16px 28px;
        font-size: 1.1rem;
        border-radius: 14px;
        gap: 14px;
    }
}

.btn-contact i {
    font-size: 1.1rem;
}

@media (min-width: 1200px) {
    .btn-contact i {
        font-size: 1.2rem;
    }
}

@media (min-width: 1600px) {
    .btn-contact i {
        font-size: 1.3rem;
    }
}

.btn-contact.email {
    background: var(--amazon-orange);
    color: #FFFFFF;
}

.btn-contact.email:hover {
    background: var(--amazon-orange-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(255, 153, 0, 0.4);
}

.btn-contact.whatsapp {
    background: #25D366;
    color: white;
}

.btn-contact.whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 153, 0, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.btn-icon:hover::before {
    width: 100%;
    height: 100%;
}

.btn-icon i {
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.btn-icon:hover i {
    transform: scale(1.15) rotate(5deg);
}

@media (min-width: 1200px) {
    .btn-icon {
        padding: 12px;
        border-radius: 10px;
        font-size: 1.2rem;
    }
}

@media (min-width: 1600px) {
    .btn-icon {
        padding: 14px;
        border-radius: 12px;
        font-size: 1.3rem;
    }
}

.btn-icon:hover {
    background: var(--bg-color);
}

.btn-icon.edit:hover {
    color: var(--amazon-orange);
}

.btn-icon.delete:hover {
    color: var(--danger-color);
}

.btn-icon.favorite:hover {
    color: var(--warning-color);
}

.btn-icon.match:hover {
    color: var(--amazon-orange);
}

/* Me Interesa - naranja Amazon (CTA principal) */
.btn-contact.match {
    background: var(--amazon-orange);
    color: #FFFFFF;
    border: none;
}

.btn-contact.match:hover {
    background: var(--amazon-orange-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(255, 153, 0, 0.4);
}

/* Enviar mensaje - azul corporativo Amazon */
.btn-contact.message {
    background: var(--amazon-blue);
    color: #FFFFFF;
    border: none;
}

.btn-contact.message:hover {
    background: var(--amazon-blue-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(20, 110, 180, 0.4);
}

.card-info {
    display: grid;
    gap: 15px;
    flex: 1;
}

/* Two-column layout for large screens */
@media (min-width: 1200px) {
    .card-info {
        gap: 18px;
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Full width for notes */
    .info-item.notes-item {
        grid-column: 1 / -1;
    }
}

@media (min-width: 1600px) {
    .card-info {
        gap: 22px;
    }
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

@media (min-width: 1200px) {
    .info-item {
        gap: 12px;
        font-size: 1.05rem;
    }
}

@media (min-width: 1600px) {
    .info-item {
        gap: 15px;
        font-size: 1.1rem;
    }
}

.info-item i {
    color: var(--amazon-orange);
    width: 22px;
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
    display: inline-block;
}

.info-item:hover i {
    transform: scale(1.2) rotate(5deg);
    color: var(--amazon-orange-dark);
}

.info-item {
    transition: transform 0.2s ease;
}

.info-item:hover {
    transform: translateX(5px);
}

@media (min-width: 1200px) {
    .info-item i {
        width: 24px;
        font-size: 1.2rem;
    }
}

@media (min-width: 1600px) {
    .info-item i {
        width: 26px;
        font-size: 1.3rem;
    }
}

.info-item strong {
    color: var(--text-primary);
    margin-right: 6px;
    font-weight: 600;
}

@media (min-width: 1200px) {
    .info-item strong {
        margin-right: 8px;
        font-weight: 700;
    }
}

.info-item span {
    word-wrap: break-word;
    overflow-wrap: break-word;
    flex: 1;
}

.notes-item span {
    line-height: 1.6;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    animation: badgeFadeIn 0.5s ease-out;
}

@keyframes badgeFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.badge:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

@media (min-width: 1200px) {
    .badge {
        padding: 7px 16px;
        font-size: 0.95rem;
        border-radius: 22px;
    }
}

@media (min-width: 1600px) {
    .badge {
        padding: 8px 18px;
        font-size: 1rem;
        border-radius: 24px;
    }
}

.badge-primary {
    background: rgba(20, 110, 180, 0.1);
    color: var(--amazon-blue);
}

.badge-success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(255, 153, 0, 0.15);
    color: var(--amazon-orange-dark);
}

/* Form Section */
.form-section {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-section h2 {
    margin-bottom: 30px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label i {
    color: var(--amazon-orange);
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--card-bg);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--amazon-orange);
    box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.1);
    transform: translateY(-2px);
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: var(--amazon-orange-dark);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--amazon-orange);
    color: #FFFFFF;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    background: var(--amazon-orange-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(255, 153, 0, 0.4);
}

.btn-primary i {
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.btn-primary:hover i {
    transform: scale(1.15) rotate(-5deg);
}

.btn-secondary {
    background: var(--bg-color);
    color: var(--amazon-blue);
    border: 2px solid var(--amazon-blue);
}

.btn-secondary:hover {
    background: var(--amazon-blue);
    color: #FFFFFF;
    border-color: var(--amazon-blue);
    box-shadow: 0 4px 12px rgba(20, 110, 180, 0.3);
}

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

.btn-danger:hover {
    background: #DC2626;
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--card-bg);
    margin: 4% auto;
    padding: 40px;
    border-radius: 8px;
    width: 90%;
    max-width: 720px; /* antes 600px: más ancho en pantallas grandes */
    box-shadow: var(--shadow-xl);
    position: relative;
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 4px solid var(--amazon-orange);
    /* Hacer que el contenido largo (como Editar Oferta) sea desplazable */
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Register modal – overlay hace scroll (barra bien visible en todo el alto) */
.modal-content-register {
    max-width: 720px;
    padding: 32px 40px;
    flex-shrink: 0;
}

#register-modal.modal-register-open {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 20px 0;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    height: 100%;
    min-height: 100vh;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: #888 #e8e8e8;
}

#register-modal.modal-register-open::-webkit-scrollbar {
    width: 10px;
}

#register-modal.modal-register-open::-webkit-scrollbar-track {
    background: #e8e8e8;
    border-radius: 5px;
    margin: 4px 0;
}

#register-modal.modal-register-open::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

#register-modal.modal-register-open::-webkit-scrollbar-thumb:hover {
    background: var(--amazon-orange);
}

#register-modal.modal-register-open::-webkit-scrollbar-thumb:active {
    background: var(--amazon-orange-dark);
}

/* Account Settings modal – mismo scroll en overlay que Registro */
.modal-content-account-settings {
    flex-shrink: 0;
}

#account-settings-modal.modal-account-settings-open {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 20px 0;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    height: 100%;
    min-height: 100vh;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: #888 #e8e8e8;
}

#account-settings-modal.modal-account-settings-open::-webkit-scrollbar {
    width: 10px;
}

#account-settings-modal.modal-account-settings-open::-webkit-scrollbar-track {
    background: #e8e8e8;
    border-radius: 5px;
    margin: 4px 0;
}

#account-settings-modal.modal-account-settings-open::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

#account-settings-modal.modal-account-settings-open::-webkit-scrollbar-thumb:hover {
    background: var(--amazon-orange);
}

#account-settings-modal.modal-account-settings-open::-webkit-scrollbar-thumb:active {
    background: var(--amazon-orange-dark);
}

.form-register {
    gap: 24px;
}

.register-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 24px;
}

.register-form-grid .form-group-full {
    grid-column: 1 / -1;
}

.form-hint {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 4px;
    display: block;
}

.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--card-bg);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-select:focus {
    outline: none;
    border-color: var(--amazon-orange);
    box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.1);
}

.register-recovery {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    margin-top: 4px;
}

.register-recovery-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: block;
}

.register-recovery-title i {
    color: var(--amazon-orange);
}

.register-recovery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 24px;
}

.form-register-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-top: 8px;
}

.form-register-actions .btn-large {
    width: 100%;
    max-width: 320px;
}

.form-register-login {
    text-align: center;
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.form-register-login a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.form-register-login a:hover {
    text-decoration: underline;
}

/* Paso de normas carpooling (registro) */
.normas-title {
    background: #1a5276;
    color: white;
    margin: -32px -40px 20px -40px;
    padding: 16px 40px;
    border-radius: 8px 8px 0 0;
    font-size: 1.25rem;
}

.normas-text .normas-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.normas-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 14px;
    line-height: 1.5;
}

.normas-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.normas-list li.norma-bullet-blue::before { background: #2980b9; }
.normas-list li.norma-bullet-orange::before { background: #e67e22; }
.normas-list li.norma-bullet-green::before { background: #27ae60; }
.normas-list li.norma-bullet-yellow::before { background: #f39c12; }
.normas-list li.norma-bullet-purple::before { background: #8e44ad; }
.normas-list li.norma-bullet-turquoise::before { background: #16a085; }
.normas-list li.norma-bullet-darkblue::before { background: #2c3e50; }

.register-step {
    display: block;
}

.register-step-hidden {
    display: none !important;
}

.register-policy-intro {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.register-policy-text {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    max-height: 280px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.register-policy-text p {
    margin: 0 0 14px 0;
}

.register-policy-text p:last-child {
    margin-bottom: 0;
}

.register-policy-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.register-policy-actions .btn {
    width: 100%;
}

.register-policy-text {
    scrollbar-width: thin;
    scrollbar-color: var(--amazon-gray-dark) transparent;
}

.register-policy-text::-webkit-scrollbar {
    width: 6px;
}

.register-policy-text::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 3px;
}

.register-policy-text::-webkit-scrollbar-thumb {
    background: var(--amazon-gray-dark);
    border-radius: 3px;
}

.register-policy-text::-webkit-scrollbar-thumb:hover {
    background: var(--amazon-orange);
}

@media (min-width: 480px) {
    .register-policy-actions {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .register-policy-actions .btn-primary {
        flex: 1;
        min-width: 160px;
    }

    .register-policy-actions .btn-secondary {
        flex: 1;
        min-width: 160px;
    }
}

/* Scrollbar vertical sutil para modales */
.modal-content {
    scrollbar-width: thin;
    scrollbar-color: var(--amazon-gray-dark) transparent;
}

.modal-content::-webkit-scrollbar {
    width: 6px;
}

.modal-content::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 3px;
    margin: 8px 0;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--amazon-gray-dark);
    border-radius: 3px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--amazon-orange);
}

.modal-content::-webkit-scrollbar-thumb:active {
    background: var(--amazon-orange-dark);
}

.qr-modal-content {
    max-width: 500px;
    text-align: center;
}

.qr-modal-content h2 {
    color: var(--text-primary);
    margin-bottom: 25px;
}

#qr-code-container,
#email-qr-code-container {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    animation: qrFadeIn 0.5s ease-out;
}

@keyframes qrFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

#qrcode,
#emailqrcode {
    display: flex;
    justify-content: center;
    align-items: center;
}

#qrcode canvas,
#qrcode img,
#emailqrcode canvas,
#emailqrcode img {
    border-radius: 8px;
}

@media (min-width: 1200px) {
    .qr-modal-content {
        max-width: 550px;
    }
    
    #qr-code-container {
        padding: 40px;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s ease;
}

.close:hover {
    color: var(--text-primary);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 2000;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.show {
    display: block;
}

.toast.success {
    border-left: 4px solid var(--success-color);
    background: #FFFFFF;
}

.toast.error {
    border-left: 4px solid var(--danger-color);
    background: #FFFFFF;
}

.toast.info {
    border-left: 4px solid var(--amazon-orange);
    background: #FFFFFF;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: 20px;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

/* Map Styles */
.map-container {
    margin: 20px 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--card-bg);
    padding: 15px;
}

.map {
    width: 100%;
    height: 500px;
    border-radius: 8px;
    z-index: 1;
}

.map-controls {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Autocomplete dropdown */
.autocomplete-suggestions {
    position: absolute;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    margin-top: 5px;
    width: 100%;
}

.autocomplete-suggestion {
    padding: 12px 15px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.autocomplete-suggestion:hover {
    background: var(--bg-color);
}

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

.autocomplete-suggestion strong {
    color: var(--amazon-orange);
}

.input-with-autocomplete {
    position: relative;
}

/* Map markers custom styles */
.leaflet-popup-content {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.leaflet-popup-content h3 {
    margin: 0 0 10px 0;
    color: var(--amazon-orange);
    font-size: 1.1rem;
}

.leaflet-popup-content p {
    margin: 5px 0;
    color: var(--text-secondary);
}

/* ========== RESPONSIVE - MÓVIL Y TABLET ========== */

/* Evitar zoom en inputs en iOS (font-size >= 16px) */
@media (max-width: 768px) {
    .search-form input,
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px !important;
    }
}

/* Touch targets mínimos (44px recomendado) */
@media (max-width: 992px) {
    .btn, .tab-btn, .btn-small, .btn-contact, .btn-icon {
        min-height: 44px;
        min-width: 44px;
    }
    .tab-btn {
        padding: 14px 16px;
    }
    .main-content {
        padding: 20px 16px;
    }
    .search-section {
        padding: 20px 16px;
    }
    .form-section {
        padding: 24px 16px;
    }
}

@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }
    .container {
        overflow-x: hidden;
    }
    .main-content {
        padding-bottom: 72px; /* Espacio para quick-links flotantes */
        overflow-x: hidden;
    }
    .header {
        padding: 12px 16px;
        margin-bottom: 0;
        position: relative;
    }
    .header-content {
        flex-direction: row;
        align-items: center;
        gap: 12px;
        margin-bottom: 0;
    }
    .header-hamburger {
        display: flex;
        flex-shrink: 0;
    }
    .header-desktop-only {
        display: none !important;
    }
    .brand {
        flex: 1;
        min-width: 0;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    .brand-text h1 {
        font-size: 1.35rem;
        text-align: center;
    }
    .subtitle {
        font-size: 0.85rem;
        text-align: center;
    }
    .logo-zaz {
        height: 56px;
    }
    .header-menu-overlay {
        display: block;
        pointer-events: none;
    }
    .header-menu-panel {
        display: flex;
    }
    body.header-menu-open .header-menu-overlay {
        pointer-events: auto;
        opacity: 1;
    }
    body.header-menu-open .header-menu-panel {
        transform: translateX(0);
    }
    body.header-menu-open {
        overflow: hidden;
    }
    .global-announcement-banner {
        min-height: 44px;
        padding: 10px 16px;
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }
    .global-announcement-content {
        font-size: 0.9rem;
        text-transform: none;
        text-align: center;
        flex-wrap: wrap;
        justify-content: center;
        line-height: 1.35;
        word-break: break-word;
    }
    .global-announcement-content i {
        flex-shrink: 0;
    }
    /* En móvil: grid 2 columnas para ver todas las pestañas sin arrastrar */
    .tabs {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        padding: 10px;
        margin-bottom: 20px;
        overflow: visible;
        flex-wrap: unset;
    }
    .tabs::-webkit-scrollbar {
        display: none;
    }
    .tab-btn {
        flex: none;
        min-width: 0;
        width: 100%;
        padding: 12px 10px;
        font-size: 0.8rem;
        justify-content: center;
        text-align: center;
    }
    .tab-btn i {
        font-size: 1rem;
        flex-shrink: 0;
    }
    .cards-container {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    .card {
        width: 100% !important;
        margin: 0 !important;
        padding: 18px 16px;
        position: relative !important;
    }
    .card-header {
        margin-bottom: 16px;
        padding-bottom: 14px;
        flex-wrap: wrap;
        gap: 10px;
    }
    .card-title {
        font-size: 1.05rem;
        padding-right: 0;
    }
    .card-title i {
        font-size: 1.1rem;
    }
    .card-actions {
        width: 100%;
        justify-content: flex-end;
    }
    .contact-actions {
        gap: 10px;
        margin-top: 14px;
        padding-top: 14px;
    }
    .btn-contact {
        min-width: 0;
        flex: 1 1 45%;
        padding: 12px 14px;
        font-size: 0.85rem;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .search-form {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .search-form .btn {
        width: 100%;
        justify-content: center;
    }
    .search-section h2 {
        font-size: 1.1rem;
        flex-wrap: wrap;
    }
    .advanced-filters {
        padding: 14px;
        margin-top: 14px;
    }
    .filters-grid {
        grid-template-columns: 1fr;
    }
    .filter-actions {
        flex-wrap: wrap;
    }
    .filter-actions .btn {
        flex: 1;
        min-width: 120px;
    }
    .stats-container {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .stat-card {
        padding: 16px;
    }
    .stat-card .stat-value {
        font-size: 2rem;
    }
    .tabs-inner {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px;
    }
    .tab-btn-inner {
        flex: 1 1 auto;
        min-width: 100px;
        padding: 12px 14px;
        font-size: 0.9rem;
    }
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 12px auto;
        padding: 20px 16px;
        max-height: calc(100vh - 24px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 12px;
    }
    .modal-content-register {
        padding: 20px 16px;
    }
    .normas-title {
        margin: -20px -16px 16px -16px;
        padding: 14px 16px;
        font-size: 1.1rem;
    }
    .register-form-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .register-recovery-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .form-register-actions .btn-large {
        max-width: none;
    }
    .map {
        height: 320px;
    }
    .map-container {
        padding: 10px;
        margin: 14px 0;
    }
    .map-controls {
        flex-wrap: wrap;
    }
    .map-controls .btn {
        flex: 1;
        min-width: 140px;
    }
    .empty-state {
        padding: 40px 16px;
    }
    .empty-state i {
        font-size: 3rem;
    }
    .empty-state h3 {
        font-size: 1.2rem;
    }
}

/* ---------- Centro de mensajes: diseño móvil (una columna, claro y funcional) ---------- */
@media (max-width: 768px) {
    #messages-tab.active {
        display: flex !important;
        flex-direction: column;
        min-height: 280px;
        height: calc(100vh - 180px);
        max-height: calc(100vh - 140px);
        overflow: hidden;
        overflow-x: hidden;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    /* Título compacto cuando se muestra la lista */
    #messages-tab .search-section {
        flex-shrink: 0;
        padding: 10px 14px 8px;
    }
    #messages-tab .search-section h2 {
        font-size: 1rem;
        margin-bottom: 4px;
    }
    #messages-tab .search-section p {
        font-size: 0.8rem;
        margin-bottom: 8px;
        color: var(--text-secondary);
    }
    /* Cuando hay un chat abierto, ocultar título para dar todo el espacio al chat */
    #messages-tab.messages-chat-open .search-section,
    #messages-tab:has(.chat-layout.mobile-chat-open) .search-section {
        display: none;
    }
    /* Contenedor: lista arriba o solo chat; ancho completo, sin resto de layout PC */
    .chat-layout {
        display: flex !important;
        flex-direction: column;
        flex: 1;
        min-height: 0;
        width: 100%;
        max-width: 100%;
        grid-template-columns: unset;
        grid-template-areas: unset;
        gap: 0;
        border-radius: 12px;
        overflow: hidden;
        background: var(--card-bg);
        border: 1px solid var(--border-color);
    }
    .chat-panel {
        width: 100%;
        max-width: 100%;
    }
    /* Lista de conversaciones: altura fija, scroll independiente */
    .conversations-list {
        flex-shrink: 0;
        max-height: 200px;
        min-height: 60px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        background: var(--card-bg);
    }
    .conversation-item {
        padding: 12px 14px;
        border-bottom: 1px solid var(--border-color);
    }
    .conversation-item:last-child {
        border-bottom: none;
    }
    .conversation-item .conv-preview {
        font-size: 0.85rem;
    }
    /* Panel del chat: crece y contiene cabecera + mensajes + formulario (ya tiene width arriba) */
    .chat-panel {
        flex: 1;
        min-height: 0;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }
    .chat-view {
        flex: 1;
        min-height: 0;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        overflow-x: hidden;
        width: 100%;
        max-width: 100%;
    }
    /* Cabecera del chat: Volver + nombre + borrar */
    .chat-header {
        flex-shrink: 0;
        display: flex;
        align-items: center;
        padding: 10px 12px;
        font-size: 0.95rem;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
    }
    .chat-header .chat-header-title {
        flex: 1;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    /* Área de mensajes: scroll vertical, ancho completo */
    .chat-messages {
        flex: 1;
        min-height: 80px;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        padding: 12px 14px;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .chat-bubble {
        max-width: 88%;
        padding: 10px 14px;
        font-size: 0.9rem;
        border-radius: 12px;
    }
    /* Formulario de respuesta: una fila, sin solapamientos */
    .chat-reply-form {
        flex-shrink: 0;
        display: flex;
        flex-direction: row;
        align-items: flex-end;
        gap: 10px;
        padding: 10px 12px max(10px, env(safe-area-inset-bottom));
        flex-wrap: nowrap;
        border-top: 1px solid var(--border-color);
        background: var(--card-bg);
    }
    .chat-reply-form textarea {
        flex: 1;
        min-width: 0;
        min-height: 40px;
        max-height: 100px;
        padding: 8px 12px;
        border: 1px solid var(--border-color);
        border-radius: 12px;
        font-size: 16px;
        font-family: inherit;
        resize: none;
        line-height: 1.4;
    }
    .chat-reply-form button {
        flex-shrink: 0;
        width: 44px;
        min-width: 44px;
        height: 44px;
        min-height: 42px;
        padding: 0;
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .chat-reply-form button i {
        margin: 0;
    }
    .chat-placeholder {
        padding: 20px 14px;
        font-size: 0.9rem;
        text-align: center;
        color: var(--text-secondary);
    }
    /* Al abrir conversación: solo chat visible en la misma columna */
    .chat-layout.mobile-chat-open .conversations-list {
        display: none !important;
    }
    .chat-layout.mobile-chat-open .chat-panel {
        flex: 1;
        min-height: 0;
    }
    /* Botón Volver */
    .chat-back-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        flex-shrink: 0;
        border: none;
        border-radius: 10px;
        background: var(--bg-secondary);
        color: var(--text-primary);
        cursor: pointer;
        font-size: 1.1rem;
        margin-right: 10px;
    }
    .chat-back-btn:hover {
        background: var(--border-color);
    }
}

/* En escritorio el botón Volver no se muestra */
@media (min-width: 769px) {
    .chat-back-btn {
        display: none !important;
    }
}

/* Móvil pequeño (≤480px) */
@media (max-width: 480px) {
    .global-announcement-banner {
        padding: 12px 14px;
        min-height: 40px;
    }
    .global-announcement-content {
        font-size: 0.85rem;
    }
    #messages-tab.active {
        height: calc(100vh - 160px);
        max-height: calc(100vh - 120px);
    }
    .conversations-list {
        max-height: 160px;
    }
    .chat-reply-form {
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }
    .main-content {
        padding-bottom: 68px;
    }
    .header {
        padding: 10px 12px;
    }
    .brand-text h1 {
        font-size: 1.2rem;
    }
    .subtitle {
        display: none;
    }
    .logo-zaz {
        height: 48px;
    }
    .main-content {
        padding: 14px 12px;
    }
    .tabs {
        margin-bottom: 14px;
        padding: 8px;
        gap: 6px;
    }
    .tab-btn {
        min-width: 0;
        padding: 10px 8px;
        font-size: 0.75rem;
    }
    .tab-btn i {
        margin-right: 4px;
    }
    .search-section,
    .form-section {
        padding: 16px 12px;
    }
    .search-section h2 {
        font-size: 1rem;
    }
    .card {
        padding: 14px 12px;
        min-width: 0;
        overflow: hidden;
    }
    .card-title {
        font-size: 1rem;
        word-break: break-word;
    }
    .advanced-filters,
    .filters-grid {
        max-width: 100%;
    }
    .info-item {
        font-size: 0.9rem;
    }
    .badge {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
    /* Modal genérico (Editar oferta/solicitud): permitir scroll para ver todo el contenido */
    .modal-content {
        width: 100%;
        max-width: 100%;
        margin: 0;
        border-radius: 0;
        max-height: calc(100vh - 24px);
        min-height: auto;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-y;
        padding: max(16px, env(safe-area-inset-top)) 12px max(16px, env(safe-area-inset-bottom)) 12px;
    }
    .close {
        right: 12px;
        top: 12px;
        font-size: 24px;
        padding: 8px;
    }
    .toast {
        left: 12px;
        right: 12px;
        bottom: max(12px, env(safe-area-inset-bottom));
        width: auto;
    }
    .map {
        height: 260px;
    }
}

/* Quick links (Admin / Display) - ocultos en la web para que no se vean */
.quick-links {
    display: none !important;
    position: fixed;
    bottom: 12px;
    right: 12px;
    z-index: 900;
    gap: 8px;
}
.quick-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 14px;
    background: var(--amazon-black);
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    transition: transform 0.2s, box-shadow 0.2s;
}
.quick-links a:hover {
    background: var(--amazon-orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 153, 0, 0.4);
}
@media (max-width: 768px) {
    .quick-links {
        bottom: max(12px, env(safe-area-inset-bottom));
        right: 12px;
        left: auto;
        gap: 6px;
    }
    .quick-links a {
        padding: 12px 14px;
        min-height: 44px;
        font-size: 0.85rem;
    }
}
@media (max-width: 480px) {
    .quick-links a span {
        display: none;
    }
    .quick-links a {
        padding: 12px 14px;
        border-radius: 50%;
        width: 48px;
        height: 48px;
    }
    .quick-links a i {
        font-size: 1.2rem;
        margin: 0;
    }
}

/* Extra large screens - optimize main content */
@media (min-width: 1920px) {
    .main-content {
        padding: 40px 60px;
    }
    
    .cards-container {
        grid-template-columns: repeat(auto-fill, minmax(550px, 1fr));
        gap: 48px;
    }
    
    .card {
        padding: 48px;
    }
}

/* Stats Container */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--amazon-orange);
    margin: 10px 0;
}

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

/* Inner Tabs */
.tabs-inner {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    padding: 10px;
    background: var(--card-bg);
    border-radius: 8px;
}

.tab-btn-inner {
    flex: 1;
    padding: 10px 15px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.tab-btn-inner:hover {
    background: var(--bg-color);
}

.tab-btn-inner.active {
    background: var(--amazon-orange);
    color: white;
}

/* Matches Section */
.match-section {
    margin-bottom: 30px;
}

.match-section h3 {
    color: var(--amazon-black);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.match-badge {
    background: var(--amazon-blue);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 10px;
}

/* Distance Badge */
.distance-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(255, 153, 0, 0.1);
    color: var(--amazon-orange-dark);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 10px;
}

.btn-favorite {
    background: none;
    border: 2px solid var(--warning-color);
    color: var(--warning-color);
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-favorite:hover {
    background: var(--warning-color);
    color: white;
}

.btn-favorite.active {
    background: var(--warning-color);
    color: white;
}

/* Centro de mensajes - Chat por conversación (solo escritorio; en móvil se sobrescribe) */
@media (min-width: 769px) {
    .chat-layout {
        display: grid;
        grid-template-columns: 320px 1fr;
        gap: 20px;
        min-height: 420px;
        background: var(--card-bg);
        border-radius: 12px;
        box-shadow: var(--shadow);
        overflow: hidden;
    }
}

.conversations-list {
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    max-height: 520px;
}

.conversation-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
}

.conversation-item .conv-content {
    flex: 1;
    min-width: 0;
}

.conversation-item .conv-delete-btn {
    flex-shrink: 0;
    padding: 8px 10px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.conversation-item .conv-delete-btn:hover {
    background: rgba(200, 60, 60, 0.15);
    color: #c0392b;
}

.conversation-item:hover {
    background: var(--bg-secondary);
}

.conversation-item.active {
    background: rgba(255, 153, 0, 0.12);
    border-left: 4px solid var(--amazon-orange);
}

.conversation-item .conv-other {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.conversation-item .conv-route {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.conversation-item .conv-preview {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-item .conv-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.conversation-item .unread-badge {
    display: inline-block;
    background: var(--amazon-orange);
    color: #fff;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 6px;
}

.chat-panel {
    display: flex;
    flex-direction: column;
    min-height: 420px;
}

.chat-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    padding: 40px;
    text-align: center;
}

.chat-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.chat-header .btn-delete-conversation {
    flex-shrink: 0;
    padding: 8px 12px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.chat-header .btn-delete-conversation:hover {
    background: rgba(200, 60, 60, 0.15);
    color: #c0392b;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 200px;
}

.chat-bubble {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.4;
    word-wrap: break-word;
}

.chat-bubble.from-me {
    align-self: flex-end;
    background: var(--amazon-orange);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-bubble.from-them {
    align-self: flex-start;
    background: var(--border-color);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chat-bubble .bubble-time {
    font-size: 0.75rem;
    opacity: 0.9;
    margin-top: 4px;
}

.chat-reply-form {
    display: flex;
    gap: 10px;
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    align-items: flex-end;
}

.chat-reply-form textarea {
    flex: 1;
    resize: none;
    min-height: 44px;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
}

.chat-reply-form button {
    flex-shrink: 0;
}