/**
 * Header CSS - Creado desde cero para SaicoWC
 * Diseño responsive con mobile-first approach
 */

/* ============================================
   HEADER PRINCIPAL
   ============================================ */

.saico-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.saico-header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 16px;
    height: 64px;
    display: grid;
    grid-template-columns: 48px 1fr auto;
    align-items: center;
    gap: 12px;
    position: relative;
}

/* Ajuste padding para contenido */
body {
    padding-top: 64px;
}

/* ============================================
   LOGO
   ============================================ */

.saico-logo-contenedor {
    grid-column: 2;
    justify-self: center;
    z-index: 10;
    position: relative;
}

.saico-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #1a1a1a;
}

.saico-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.saico-logo-texto {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
}

/* ============================================
   MENÚ HAMBURGUESA
   ============================================ */

.saico-menu-hamburguesa {
    width: 48px;
    height: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 12px;
    border-radius: 8px;
    transition: background 0.2s;
}

.saico-menu-hamburguesa:hover {
    background: rgba(0, 0, 0, 0.05);
}

.saico-menu-hamburguesa:active {
    background: rgba(0, 0, 0, 0.1);
}

.saico-hamburguesa-linea {
    width: 24px;
    height: 2px;
    background: #1a1a1a;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.saico-menu-hamburguesa.activo .saico-hamburguesa-linea:nth-child(1) {
    transform: rotate(45deg) translateY(6px);
}

.saico-menu-hamburguesa.activo .saico-hamburguesa-linea:nth-child(2) {
    opacity: 0;
}

.saico-menu-hamburguesa.activo .saico-hamburguesa-linea:nth-child(3) {
    transform: rotate(-45deg) translateY(-6px);
}

/* ============================================
   BÚSQUEDA + MENÚ (Desktop)
   ============================================ */

.saico-search-menu-grupo {
    display: none;
}

.saico-search-contenedor {
    position: relative;
    width: 320px;
}

.saico-search-input {
    width: 100%;
    height: 42px;
    padding: 0 40px 0 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
    background: #f9fafb;
}

.saico-search-input:focus {
    outline: none;
    border-color: #10b981;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.saico-search-input::placeholder {
    color: #9ca3af;
}

.saico-search-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
}

.saico-search-btn:hover {
    background: rgba(16, 185, 129, 0.1);
}

.saico-search-btn svg {
    color: #6b7280;
}

/* Resultados de búsqueda */
.saico-search-resultados {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 100;
}

.saico-search-resultados.activo {
    display: block;
}

/* ============================================
   ACCIONES DEL HEADER
   ============================================ */

.saico-header-acciones {
    display: flex;
    align-items: center;
    gap: 8px;
}

.saico-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.saico-cta-btn:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.saico-icono-btn {
    position: relative;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s;
}

.saico-icono-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.saico-icono-btn svg {
    color: #1a1a1a;
}

.saico-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background: #ef4444;
    color: white;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
}

/* ============================================
   MENÚ LATERAL
   ============================================ */

.saico-menu-lateral {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 360px;
    height: 100%;
    background: white;
    z-index: 1100;
    transition: left 0.3s ease;
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
}

.saico-menu-lateral.activo {
    left: 0;
}

.saico-menu-lateral-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
}

.saico-menu-lateral-header h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    color: #1a1a1a;
}

.saico-menu-cerrar {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.saico-menu-cerrar:hover {
    background: #e5e7eb;
    transform: rotate(90deg);
}

.saico-menu-busqueda {
    padding: 16px;
    border-bottom: 1px solid #e5e7eb;
}

.saico-menu-busqueda .saico-search-input {
    width: 100%;
}

.saico-menu-contenido {
    padding: 16px 0;
}

.saico-menu-lista {
    list-style: none;
    margin: 0;
    padding: 0;
}

.saico-menu-lista li {
    margin: 0;
}

.saico-menu-lista a {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: #374151;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s;
}

.saico-menu-lista a:hover {
    background: #f3f4f6;
    color: #10b981;
}

/* ============================================
   OVERLAY
   ============================================ */

.saico-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    backdrop-filter: blur(2px);
}

.saico-overlay.activo {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   BOTTOM NAVIGATION (Móvil)
   ============================================ */

.saico-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid #e5e7eb;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
    z-index: 999;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

body {
    padding-bottom: calc(68px + env(safe-area-inset-bottom));
}

.saico-bottom-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 4px;
    background: none;
    border: none;
    text-decoration: none;
    color: #6b7280;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.saico-bottom-item:hover,
.saico-bottom-item.activo {
    color: #10b981;
}

.saico-bottom-item svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
}

.saico-bottom-item span {
    text-align: center;
}

/* ============================================
   RESPONSIVE: TABLET Y DESKTOP
   ============================================ */

@media (min-width: 769px) {
    /* Header desktop */
    .saico-header-container {
        height: 72px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 24px;
        padding: 0 24px;
    }

    body {
        padding-top: 72px;
        padding-bottom: 0;
    }

    /* Logo a la izquierda */
    .saico-logo-contenedor {
        flex-shrink: 0;
    }

    .saico-logo-img {
        height: 44px;
    }

    .saico-logo-texto {
        font-size: 24px;
    }

    /* Búsqueda + Menú centrados */
    .saico-search-menu-grupo {
        display: flex;
        align-items: center;
        gap: 16px;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

    /* Buscador más grande y prominente en desktop */
    .saico-search-contenedor {
        width: 520px;
    }

    .saico-search-input {
        height: 52px;
        padding: 0 56px 0 20px;
        font-size: 16px;
        border-radius: 12px;
        border: 2px solid #e5e7eb;
        background: #ffffff;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    }

    .saico-search-input:focus {
        border-color: #10b981;
        box-shadow: 0 4px 16px rgba(16, 185, 129, 0.15);
    }

    .saico-search-btn {
        width: 44px;
        height: 44px;
        right: 4px;
        background: linear-gradient(135deg, #10b981, #059669);
        border-radius: 10px;
    }

    .saico-search-btn:hover {
        background: linear-gradient(135deg, #059669, #047857);
        transform: translateY(-50%) scale(1.05);
    }

    .saico-search-btn svg {
        color: #ffffff;
        width: 22px;
        height: 22px;
    }

    /* Resultados más grandes */
    .saico-search-resultados {
        width: 520px;
        max-height: 500px;
        border-radius: 16px;
        box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
        margin-top: 12px;
    }

    /* Acciones a la derecha */
    .saico-header-acciones {
        flex-shrink: 0;
        gap: 12px;
    }

    .saico-cta-btn {
        padding: 12px 24px;
        font-size: 15px;
    }

    .saico-icono-btn {
        width: 44px;
        height: 44px;
    }
}

/* ============================================
   UTILIDADES RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .saico-solo-escritorio {
        display: none !important;
    }

    .saico-solo-movil {
        display: flex !important;
    }

    .saico-bottom-nav {
        display: grid !important;
    }
}

@media (min-width: 769px) {
    .saico-solo-movil {
        display: none !important;
    }

    .saico-solo-escritorio {
        display: flex !important;
    }

    .saico-bottom-nav {
        display: none !important;
    }

    .saico-menu-hamburguesa.saico-solo-movil {
        display: none !important;
    }
}

/* ============================================
   ANIMACIONES
   ============================================ */

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ============================================
   RESULTADOS DE BÚSQUEDA - ITEMS
   ============================================ */

.saico-search-items {
    padding: 8px 0;
}

.saico-search-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: #1a1a1a;
    transition: background 0.2s;
    border-bottom: 1px solid #f3f4f6;
}

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

.saico-search-item:hover {
    background: #f9fafb;
}

.saico-search-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.saico-search-no-thumb {
    width: 50px;
    height: 50px;
    background: #f3f4f6;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.saico-search-no-thumb svg {
    color: #9ca3af;
}

.saico-search-info {
    flex: 1;
    min-width: 0;
}

.saico-search-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 4px 0;
    color: #1a1a1a;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.saico-search-price {
    font-size: 13px;
    font-weight: 600;
    color: #10b981;
}

.saico-search-footer {
    padding: 12px 16px;
    border-top: 1px solid #e5e7eb;
    text-align: center;
}

.saico-search-footer a {
    display: inline-block;
    color: #10b981;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.saico-search-footer a:hover {
    color: #059669;
}

.saico-search-empty,
.saico-search-loading,
.saico-search-error {
    padding: 20px;
    text-align: center;
    color: #6b7280;
    font-size: 14px;
}

.saico-search-loading {
    color: #10b981;
}

/* ============================================================================
   MENÚ DROPDOWN DE USUARIO
   ============================================================================ */
.saico-usuario-menu-wrapper {
    position: relative;
}

.saico-usuario-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid transparent;
    transition: border-color 0.2s ease;
}

.saico-usuario-btn:hover .saico-usuario-avatar {
    border-color: var(--saico-primario);
}

.saico-usuario-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 280px;
    background: white;
    border-radius: var(--saico-radius-xl);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.saico-usuario-dropdown::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 16px;
    width: 12px;
    height: 12px;
    background: white;
    transform: rotate(45deg);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-left: 1px solid rgba(0, 0, 0, 0.05);
}

.saico-usuario-menu-wrapper:hover .saico-usuario-dropdown,
.saico-usuario-dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.saico-usuario-dropdown-header {
    padding: var(--saico-spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--saico-spacing-md);
    border-bottom: 1px solid var(--saico-borde-claro);
    background: linear-gradient(135deg,
        rgba(var(--saico-primario-rgb), 0.03) 0%,
        rgba(var(--saico-acento-rgb), 0.03) 100%);
}

.dropdown-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.dropdown-user-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dropdown-user-name {
    font-size: var(--saico-font-base);
    font-weight: var(--saico-font-weight-semibold);
    color: var(--saico-texto-primario);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-user-email {
    font-size: var(--saico-font-xs);
    color: var(--saico-texto-secundario);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.saico-usuario-dropdown-menu {
    padding: var(--saico-spacing-sm);
}

.dropdown-menu-item {
    display: flex;
    align-items: center;
    gap: var(--saico-spacing-md);
    padding: var(--saico-spacing-md);
    border-radius: var(--saico-radius-md);
    text-decoration: none;
    color: var(--saico-texto-primario);
    font-size: var(--saico-font-sm);
    font-weight: var(--saico-font-weight-medium);
    transition: all 0.2s ease;
}

.dropdown-menu-item svg {
    color: var(--saico-texto-secundario);
    flex-shrink: 0;
    transition: color 0.2s ease;
}

.dropdown-menu-item:hover {
    background: var(--saico-bg-secundario);
    color: var(--saico-primario);
}

.dropdown-menu-item:hover svg {
    color: var(--saico-primario);
}

.dropdown-divider {
    height: 1px;
    background: var(--saico-borde-claro);
    margin: var(--saico-spacing-sm) 0;
}

.dropdown-logout {
    color: #dc2626;
}

.dropdown-logout svg {
    color: #dc2626;
}

.dropdown-logout:hover {
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
}

.dropdown-logout:hover svg {
    color: #dc2626;
}