/* ===== VARIÁVEIS CSS ===== */
:root {
    /* Cores Principais */
    --primary: #ea1d2c;
    --primary-hover: #d11a26;
    --primary-light: #fff5f5;
    --secondary: #f8f9fa;
    --accent: #ff6b35;
    
    /* Cores de Texto */
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;
    
    /* Cores de Fundo */
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-tertiary: #edf2f7;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Cores de Borda */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Cores de Status */
    --success: #38a169;
    --warning: #d69e2e;
    --error: #e53e3e;
    --info: #3182ce;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Raios de Borda */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transições */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
    --font-size-4xl: 2.25rem;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===== TEMA ESCURO MODERNO E ELEGANTE ===== */
[data-theme="dark"] {
    /* Paleta de cores com tons de grafite */
    --text-primary: #f0f0f0;      /* Branco suave para texto principal */
    --text-secondary: #b3b3b3;    /* Cinza claro para texto secundário */
    --text-muted: #7a7a7a;        /* Cinza para texto menos importante */
    --text-light: #5e5e5e;        /* Cinza escuro para elementos desabilitados */

    --bg-primary: #121212;        /* Fundo principal, quase preto (Material Design Dark) */
    --bg-secondary: #1e1e1e;      /* Fundo para cards e seções */
    --bg-tertiary: #2a2a2a;       /* Fundo para hover e elementos interativos */
    --bg-overlay: rgba(0, 0, 0, 0.7); /* Overlay mais suave */

    --border-color: #333333;      /* Cor da borda sutil */
    --border-light: #2a2a2a;      /* Borda mais clara */

    /* Ajuste de cores de componentes */
    --secondary: #2a2a2a;         /* Cor de fundo para botões secundários */
    --primary-light: rgba(234, 29, 44, 0.15); /* Destaque do vermelho primário mais visível */

    /* Sombras sutis para o modo escuro */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 6px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.35);
}

/* ===== COMPONENTES PERSONALIZADOS ===== */

/* --- Barra de Filtros de Categoria --- */
.compact-filter-bar {
    background-color: var(--bg-primary);
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color);

    z-index: var(--z-sticky);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.category-filters {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none;  /* IE and Edge */
}

.category-filters::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-light);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    white-space: nowrap;
}

.category-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    background-color: var(--bg-tertiary);
}

.category-btn.active {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    font-weight: 600;
}

.category-btn .category-count {
    background-color: rgba(0,0,0,0.1);
    color: inherit;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 0.75rem;
}

.category-btn.active .category-count {
    background-color: rgba(255,255,255,0.2);
}

/* --- Ícones do Cabeçalho --- */
.header-icon {
    background-color: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.header-icon:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}


/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

/* ===== LAYOUT ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.main-container {
    min-height: calc(100vh - 140px);
    padding: var(--spacing-md);
}

/* ===== COMPONENTES UTILITÁRIOS ===== */
.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;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* ===== BOTÕES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(234, 29, 44, 0.1);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: white;
    transform: translateY(-1px);
}

.btn-secondary {
    color: var(--text-primary);
    background-color: var(--secondary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-outline {
    color: var(--primary);
    background-color: transparent;
    border-color: var(--primary);
}

.btn-outline:hover {
    color: white;
    background-color: var(--primary);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ===== CARDS ===== */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

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

.card-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

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

.card-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

/* ===== FORMULÁRIOS ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(234, 29, 44, 0.1);
}

.form-control::placeholder {
    color: var(--text-light);
}

/* ===== ALERTAS ===== */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.alert-error {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* ===== RESPONSIVIDADE ===== */

/* Ocultar elementos desktop-only no mobile */
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
        visibility: hidden !important;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .main-container {
        padding: var(--spacing-sm);
    }
    
    .btn {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 0.5rem;
        --spacing-lg: 0.75rem;
    }
    
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    /* Notificação do carrinho removida */
}

/* ===== LOADING STATES ===== */
.loading {
    position: relative;
    overflow: hidden;
}

/* ===== FEEDBACK DE ADIÇÃO AO CARRINHO REMOVIDO ===== */
.add-to-cart-confirmation {
    display: none !important;
    visibility: hidden !important;
}

/* Botão de adicionar ao carrinho melhorado */
.btn-add-to-cart {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
}

.btn-add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(234, 29, 44, 0.3);
}

.btn-add-to-cart:active {
    transform: translateY(0);
    transition: all 0.1s ease;
}

.btn-add-to-cart.loading {
    padding-right: 40px;
    pointer-events: none;
}

.btn-add-to-cart.loading::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn-add-to-cart.success {
    background: linear-gradient(135deg, var(--success), #48bb78);
    border-color: var(--success);
    color: white;
    transform: scale(1.05);
    animation: successPulse 0.6s ease-out;
}

.btn-add-to-cart.success::before {
    content: '✓';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-weight: bold;
    animation: checkmark 0.3s ease-out 0.2s both;
}

.btn-add-to-cart.error {
    background-color: var(--error);
    border-color: var(--error);
    color: white;
    animation: shake 0.5s ease-out;
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1.05); }
}

@keyframes checkmark {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0); }
    100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Feedback visual para o carrinho */
.cart-count {
    transition: all 0.3s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 10px;
    background-color: var(--primary);
    color: white;
    transform-origin: center;
}

.cart-count.updated {
    animation: cartBounce 0.5s ease-in-out;
    background-color: var(--accent);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

@keyframes cartBounce {
    0% { transform: scale(1); }
    25% { transform: scale(1.3) rotate(5deg); }
    50% { transform: scale(0.9) rotate(-5deg); }
    75% { transform: scale(1.1) rotate(3deg); }
    100% { transform: scale(1) rotate(0); }
}

/* Badge de notificação */
.cart-count::after {
    content: '';
    position: absolute;
    top: -3px;
    right: -3px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent);
    border: 2px solid var(--bg-primary);
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
}

.cart-count.updated::after {
    animation: ping 1s cubic-bezier(0, 0, 0.2, 1) forwards;
}

@keyframes ping {
    0% {
        transform: scale(0.5);
        opacity: 0.8;
    }
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Notificações - Forçar tamanho fixo */
body .notification,
html .notification,
.notification {
    position: fixed !important;
    bottom: 2rem !important;
    right: 2rem !important;
    padding: 1rem 1.5rem !important;
    border-radius: 0.5rem !important;
    color: white !important;
    font-weight: 500 !important;
    z-index: 99999 !important;
    max-width: 280px !important;
    min-width: 200px !important;
    width: 280px !important;
    height: auto !important;
    max-height: 100px !important;
    font-size: 0.85rem !important;
    line-height: 1.3 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    transform: translateY(100px) !important;
    opacity: 0 !important;
    transition: all 0.3s ease !important;
    word-wrap: break-word !important;
    text-align: left !important;
    overflow: hidden !important;
    display: block !important;
    box-sizing: border-box !important;
}

.notification.show {
    transform: translateY(0) !important;
    opacity: 1 !important;
}

.notification.success {
    background-color: #38a169 !important;
}

.notification.error {
    background-color: #e53e3e !important;
}

.notification.warning {
    background-color: #d69e2e !important;
}

.notification.info {
    background-color: #3182ce !important;
}

/* Responsivo para notificações */
@media (max-width: 768px) {
    .notification {
        bottom: 1rem !important;
        right: 1rem !important;
        left: 1rem !important;
        max-width: none !important;
        width: auto !important;
    }
}

/* Opção de novo endereço */
.new-address-option {
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.new-address-option .checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary);
}

.new-address-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.new-address-option .checkmark {
    display: none;
}

/* Destaque para campos de novo endereço */
input[style*="background-color: rgb(255, 243, 205)"] {
    border-color: #ffc107 !important;
    box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.25) !important;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ===== SCROLLBAR PERSONALIZADA ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}