/**
 * Estilos base compartilhados entre os componentes do LunnaClub
 * Otimizado para performance e reusabilidade
 */

:root {
    /* Cores */
    --primary-color: #3a86ff;
    --primary-hover: #2563eb;
    --secondary-color: #4b5563;
    --background-color: #fff;
    --border-color: #e5e7eb;
    --light-bg: #f3f4f6;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --warning-color: #f1c40f;
    --info-color: #3498db;
    
    /* Sombras */
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --hover-shadow: 0 15px 20px -3px rgba(0, 0, 0, 0.1), 0 8px 12px -2px rgba(0, 0, 0, 0.05);
    --button-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --button-hover-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    
    /* Tipografia */
    --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Layout */
    --border-radius: 4px;
    --border-radius-lg: 8px;
    --container-max-width: 1200px;
    --grid-gap: 28px;
    --grid-gap-sm: 20px;
    --padding-base: 32px;
    --padding-sm: 20px;
    
    /* Animações */
    --transition-speed: 0.3s;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all var(--transition-speed) var(--transition-timing);
}

/* Container base */
.lunnaclub-container {
    margin: var(--padding-base) auto;
    max-width: var(--container-max-width);
    font-family: var(--font-family);
    color: var(--secondary-color);
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    padding: var(--padding-base);
}

/* Cabeçalhos */
.lunnaclub-heading {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin: 0 0 24px 0;
    color: var(--primary-color);
    letter-spacing: -0.025em;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

/* Botões */
.lunnaclub-button {
    display: inline-block;
    padding: 14px 24px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-base);
    box-shadow: var(--button-shadow);
    cursor: pointer;
}

.lunnaclub-button:hover {
    background: var(--primary-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--button-hover-shadow);
}

.lunnaclub-button:disabled {
    background: #cbd5e1;
    color: #64748b;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.lunnaclub-button--danger {
    background-color: var(--error-color);
}

.lunnaclub-button--danger:hover {
    background-color: #c0392b;
}

.lunnaclub-button--success {
    background-color: var(--success-color);
}

.lunnaclub-button--success:hover {
    background-color: #27ae60;
}

/* Mensagens */
.lunnaclub-message {
    text-align: center;
    padding: 48px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    font-size: var(--font-size-lg);
    color: var(--secondary-color);
    opacity: 0.8;
    margin: var(--padding-base) auto;
    max-width: 800px;
}

.lunnaclub-message--error {
    background-color: #fff5f5;
    color: var(--error-color);
}

.lunnaclub-message--success {
    background-color: #f0fff4;
    color: var(--success-color);
}

/* Loading states */
.lunnaclub-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.lunnaclub-loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: loading-spinner 0.8s linear infinite;
}

@keyframes loading-spinner {
    to { transform: rotate(360deg); }
}

/* Grid layouts */
.lunnaclub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--grid-gap);
}

/* Cards */
.lunnaclub-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--background-color);
    transition: var(--transition-base);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.lunnaclub-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-shadow);
    border-color: rgba(58, 134, 255, 0.3);
}

/* Imagens */
.lunnaclub-image {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    background-color: var(--light-bg);
    transition: transform var(--transition-speed);
}

.lunnaclub-card:hover .lunnaclub-image {
    transform: scale(1.05);
}

/* Badges */
.lunnaclub-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.lunnaclub-badge--error {
    background: var(--error-color);
    color: white;
}

.lunnaclub-badge--warning {
    background: var(--warning-color);
    color: white;
}

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

/* Responsividade */
@media (max-width: 768px) {
    .lunnaclub-container {
        padding: var(--padding-sm);
        margin: 16px auto;
    }
    
    .lunnaclub-heading {
        font-size: var(--font-size-2xl);
    }
    
    .lunnaclub-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--grid-gap-sm);
    }
    
    .lunnaclub-button {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .lunnaclub-grid {
        grid-template-columns: 1fr;
    }
}

/* Suporte para prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}