/**
 * Eletrofrio Frontend v2.0
 * Design profissional + Premium
 * Versão: FASE 4 (v9.2.0)
 * Data: 02/03/2026
 */

/* ===== VARIAVEIS CSS ===== */
:root {
    /* Cores Eletrofrio */
    --eletrofrio-blue: #1B2F8A;
    --eletrofrio-cyan: #00AECC;
    --eletrofrio-yellow: #FFC72C;
    --eletrofrio-dark: #0D1F5B;
    --eletrofrio-light: #E8F4F8;

    /* Paleta Profissional */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    --light-bg: #F9FAFB;
    --border-color: #E5E7EB;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #1B2F8A 0%, #00AECC 100%);
    --gradient-success: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --gradient-warm: linear-gradient(135deg, #FFC72C 0%, #F59E0B 100%);

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(27, 47, 138, 0.05);
    --shadow-md: 0 4px 6px rgba(27, 47, 138, 0.1);
    --shadow-lg: 0 10px 15px rgba(27, 47, 138, 0.15);
    --shadow-xl: 0 20px 25px rgba(27, 47, 138, 0.2);

    /* Espaçamento */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ===== RESET & BÁSICO ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    background-color: var(--light-bg);
    line-height: 1.6;
}

/* ===== CONTAINERS & LAYOUTS ===== */
.eletrofrio-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.eletrofrio-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.eletrofrio-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.eletrofrio-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Responsivo */
@media (max-width: 768px) {
    .eletrofrio-grid-2,
    .eletrofrio-grid-3 {
        grid-template-columns: 1fr;
    }
}

/* ===== BUY BOX WIDGET ===== */
.eletrofrio-buybox {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin: var(--spacing-lg) 0;
    animation: slideInUp 0.5s ease-out;
}

.eletrofrio-buybox-header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.eletrofrio-buybox-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 18px;
    margin: 0;
}

.eletrofrio-buybox-badge {
    background: var(--eletrofrio-yellow);
    color: var(--eletrofrio-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
}

.eletrofrio-buybox-content {
    padding: var(--spacing-lg);
}

.eletrofrio-buybox-winner {
    background: linear-gradient(135deg, #E0F2FE 0%, #F0F9FF 100%);
    border-left: 4px solid var(--eletrofrio-cyan);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.eletrofrio-buybox-winner-title {
    color: var(--eletrofrio-blue);
    font-weight: 700;
    font-size: 16px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.eletrofrio-credenciada-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-md);
    align-items: start;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.eletrofrio-credenciada-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--eletrofrio-cyan);
    transform: translateY(-2px);
}

.eletrofrio-credenciada-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #E0F2FE 0%, #F0F9FF 100%);
    border-radius: var(--radius-md);
    font-size: 24px;
}

.eletrofrio-credenciada-info h4 {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--text-primary);
    font-size: 16px;
}

.eletrofrio-credenciada-info p {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.eletrofrio-credenciada-price {
    text-align: right;
}

.eletrofrio-credenciada-price .price {
    font-size: 24px;
    font-weight: 700;
    color: var(--eletrofrio-blue);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.eletrofrio-credenciada-price .availability {
    font-size: 13px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: inline-block;
    font-weight: 600;
}

.eletrofrio-credenciada-price .availability.in-stock {
    background: #D1FAE5;
    color: #065F46;
}

.eletrofrio-credenciada-price .availability.out-of-stock {
    background: #FEE2E2;
    color: #991B1B;
}

/* Tabela Comparativa */
.eletrofrio-buybox-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-lg);
}

.eletrofrio-buybox-table thead {
    background: var(--light-bg);
    border-bottom: 2px solid var(--border-color);
}

.eletrofrio-buybox-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 700;
    color: var(--eletrofrio-blue);
    font-size: 14px;
}

.eletrofrio-buybox-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.eletrofrio-buybox-table tbody tr:hover {
    background: var(--light-bg);
}

.eletrofrio-buybox-table tbody tr:nth-child(even) {
    background: #FAFBFC;
}

/* Botões Buy Box */
.eletrofrio-buybox-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.eletrofrio-btn-buy {
    flex: 1;
    min-width: 200px;
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

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

.eletrofrio-btn-secondary {
    flex: 1;
    min-width: 200px;
    background: white;
    color: var(--eletrofrio-blue);
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--eletrofrio-blue);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

/* ===== CHAT WIDGET ===== */
.eletrofrio-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 380px;
    max-width: calc(100% - 20px);
    height: 500px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    z-index: 9999;
    animation: slideInRight 0.3s ease-out;
}

@media (max-width: 480px) {
    .eletrofrio-chat {
        width: 100%;
        height: calc(100vh - 40px);
        max-width: none;
        right: 10px;
        bottom: 10px;
    }
}

.eletrofrio-chat-header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.eletrofrio-chat-header h4 {
    margin: 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.eletrofrio-chat-close {
    background: transparent;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.eletrofrio-chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.eletrofrio-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: #F9FAFB;
}

.eletrofrio-chat-message {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeIn 0.3s ease-in;
}

.eletrofrio-chat-message.user {
    flex-direction: row-reverse;
}

.eletrofrio-chat-bubble {
    max-width: 70%;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    word-wrap: break-word;
}

.eletrofrio-chat-message.bot .eletrofrio-chat-bubble {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.eletrofrio-chat-message.user .eletrofrio-chat-bubble {
    background: var(--gradient-primary);
    color: white;
}

.eletrofrio-chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.eletrofrio-chat-message.bot .eletrofrio-chat-avatar {
    background: var(--eletrofrio-light);
    color: var(--eletrofrio-blue);
}

.eletrofrio-chat-message.user .eletrofrio-chat-avatar {
    background: var(--eletrofrio-cyan);
    color: white;
}

.eletrofrio-chat-typing {
    display: flex;
    gap: 4px;
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.eletrofrio-chat-typing span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: bounce 1.4s infinite;
}

.eletrofrio-chat-typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.eletrofrio-chat-typing span:nth-child(3) {
    animation-delay: 0.4s;
}

.eletrofrio-chat-input-box {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-sm);
}

.eletrofrio-chat-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 14px;
    transition: border-color var(--transition-fast);
}

.eletrofrio-chat-input:focus {
    outline: none;
    border-color: var(--eletrofrio-cyan);
    box-shadow: 0 0 0 3px rgba(0, 174, 204, 0.1);
}

.eletrofrio-chat-send {
    background: var(--gradient-primary);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition-fast);
}

.eletrofrio-chat-send:hover {
    transform: scale(1.05);
}

.eletrofrio-chat-send:active {
    transform: scale(0.95);
}

/* ===== KPI CARDS ===== */
.eletrofrio-kpi-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.eletrofrio-kpi-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.eletrofrio-kpi-card.gradient {
    background: var(--gradient-primary);
    color: white;
}

.eletrofrio-kpi-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    opacity: 0.8;
    margin-bottom: var(--spacing-sm);
}

.eletrofrio-kpi-value {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.eletrofrio-kpi-subtitle {
    font-size: 13px;
    opacity: 0.7;
}

.eletrofrio-kpi-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
}

/* ===== BADGES ===== */
.eletrofrio-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.eletrofrio-badge.success {
    background: #D1FAE5;
    color: #065F46;
}

.eletrofrio-badge.warning {
    background: #FEF3C7;
    color: #92400E;
}

.eletrofrio-badge.error {
    background: #FEE2E2;
    color: #991B1B;
}

.eletrofrio-badge.info {
    background: #DBEAFE;
    color: #1E40AF;
}

/* ===== SPINNERS & LOADERS ===== */
.eletrofrio-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--eletrofrio-cyan);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.eletrofrio-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ===== ANIMAÇÕES ===== */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes bounce {
    0%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
}

/* ===== FORMULARIOS ===== */
.eletrofrio-form-group {
    margin-bottom: var(--spacing-lg);
}

.eletrofrio-form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.eletrofrio-form-group input,
.eletrofrio-form-group select,
.eletrofrio-form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 14px;
    transition: border-color var(--transition-fast);
}

.eletrofrio-form-group input:focus,
.eletrofrio-form-group select:focus,
.eletrofrio-form-group textarea:focus {
    outline: none;
    border-color: var(--eletrofrio-cyan);
    box-shadow: 0 0 0 3px rgba(0, 174, 204, 0.1);
}

.eletrofrio-form-group input.error,
.eletrofrio-form-group select.error,
.eletrofrio-form-group textarea.error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.eletrofrio-form-error {
    color: var(--error);
    font-size: 12px;
    margin-top: var(--spacing-xs);
}

/* ===== NOTIFICAÇÕES ===== */
.eletrofrio-notification {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    animation: slideInUp 0.3s ease-out;
}

.eletrofrio-notification.success {
    background: #D1FAE5;
    color: #065F46;
    border-left: 4px solid var(--success);
}

.eletrofrio-notification.error {
    background: #FEE2E2;
    color: #991B1B;
    border-left: 4px solid var(--error);
}

.eletrofrio-notification.warning {
    background: #FEF3C7;
    color: #92400E;
    border-left: 4px solid var(--warning);
}

.eletrofrio-notification.info {
    background: #DBEAFE;
    color: #1E40AF;
    border-left: 4px solid var(--info);
}

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

.eletrofrio-text-right {
    text-align: right;
}

.eletrofrio-mt-md {
    margin-top: var(--spacing-md);
}

.eletrofrio-mt-lg {
    margin-top: var(--spacing-lg);
}

.eletrofrio-mb-md {
    margin-bottom: var(--spacing-md);
}

.eletrofrio-mb-lg {
    margin-bottom: var(--spacing-lg);
}

.eletrofrio-p-md {
    padding: var(--spacing-md);
}

.eletrofrio-p-lg {
    padding: var(--spacing-lg);
}

.eletrofrio-hidden {
    display: none;
}

.eletrofrio-visible {
    display: block;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 16px;
    }

    .eletrofrio-buybox-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .eletrofrio-buybox-buttons {
        flex-direction: column;
    }

    .eletrofrio-btn-buy,
    .eletrofrio-btn-secondary {
        width: 100%;
    }

    .eletrofrio-kpi-value {
        font-size: 24px;
    }

    .eletrofrio-credenciada-card {
        grid-template-columns: 1fr;
    }

    .eletrofrio-credenciada-price {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .eletrofrio-chat-bubble {
        max-width: 85%;
    }

    .eletrofrio-kpi-card {
        padding: var(--spacing-md);
    }
}