/**
 * Dashboard de Estatísticas de Redes Sociais
 * Estilos CSS
 */

/* ==================== Reset e Base ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais */
    --color-primary: #667eea;
    --color-secondary: #764ba2;
    --color-success: #48bb78;
    --color-danger: #f56565;
    --color-warning: #ed8936;
    --color-info: #4299e1;
    
    /* Cores de plataformas */
    --color-instagram: #E4405F;
    --color-facebook: #1877F2;
    --color-tiktok: #000000;
    
    /* Tons de cinza */
    --color-bg: #f7fafc;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-text: #2d3748;
    --color-text-light: #718096;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

/* ==================== Header ==================== */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
}

.header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    flex-wrap: wrap;
}

.update-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.last-update {
    opacity: 0.9;
}

/* ==================== Main Content ==================== */
.main-content {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.platform-icon {
    font-size: 1.75rem;
}

/* ==================== Sections ==================== */
.summary-section,
.platform-section,
.chart-section {
    margin-bottom: var(--spacing-xl);
}

.platform-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.account-name {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 500;
}

/* ==================== KPI Cards ==================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.kpi-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

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

.kpi-card.small {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.kpi-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.kpi-content {
    flex: 1;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.kpi-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
}

.kpi-card.small .kpi-value {
    font-size: 1.5rem;
}

/* ==================== Platform Sections ==================== */
.instagram-section .section-title {
    color: var(--color-instagram);
}

.facebook-section .section-title {
    color: var(--color-facebook);
}

.tiktok-section .section-title {
    color: var(--color-tiktok);
}

/* ==================== Chart ==================== */
.chart-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.chart-container {
    position: relative;
    height: 400px;
    margin-top: var(--spacing-md);
}

/* ==================== Footer ==================== */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.footer p {
    margin-bottom: var(--spacing-xs);
}

.footer-info {
    font-size: 0.75rem;
    opacity: 0.8;
}

/* ==================== Loading State ==================== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.kpi-value.loading::after {
    content: "...";
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% {
        content: ".";
    }
    40% {
        content: "..";
    }
    60%, 100% {
        content: "...";
    }
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-info {
        width: 100%;
        justify-content: space-between;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .kpi-card {
        flex-direction: row;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .platform-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .chart-container {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .main-content {
        padding: var(--spacing-md) 0;
    }
    
    .kpi-card {
        padding: var(--spacing-sm);
    }
    
    .kpi-icon {
        font-size: 2rem;
    }
    
    .kpi-value {
        font-size: 1.5rem;
    }
}

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

.kpi-card {
    animation: fadeIn 0.3s ease forwards;
}

.kpi-card:nth-child(1) { animation-delay: 0.05s; }
.kpi-card:nth-child(2) { animation-delay: 0.1s; }
.kpi-card:nth-child(3) { animation-delay: 0.15s; }
.kpi-card:nth-child(4) { animation-delay: 0.2s; }

/* ==================== Print ==================== */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    .kpi-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }
}