/**
 * Estilos globais do PratUAqui
 * Variáveis CSS, reset, componentes base
 */

/* ===== VARIÁVEIS CSS ===== */
:root {
    /* Cores principais */
    --primary-dark: #1a1a2e;
    --secondary-dark: #16213e;
    --accent-blue: #0f3460;
    --magic-gold: #6b7280;


    /* Cores de texto */
    --text-light: #ffffff;
    --text-gray: #3a3636;
    --text-dark: #333333;
    
    /* Cores de fundo */
    --bg-dark: #0a0a0a;
    --card-bg: rgba(26, 26, 46, 0.8);
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Cores de status */
    --success: #28a745;
    --warning: #5c5c5c;
    --danger: #dc3545;
    --info: #17a2b8;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-gold: 0 4px 20px rgba(107, 114, 128, 0.3);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Bordas */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Espaçamentos */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
}

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

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-dark) 50%, var(--secondary-dark) 100%);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

a {
    color: var(--magic-gold);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: #9ca3af;
    text-decoration: underline;
}

/* ===== LAYOUT BASE ===== */
.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* ===== COMPONENTES BASE ===== */

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    margin-bottom: var(--spacing-lg);
}

.card:hover {
    border-color: rgba(107, 114, 128, 0.3);
    box-shadow: var(--shadow-gold);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

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

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.card-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-light);
}

/* Cart Button in Header */
.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    text-align: center;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(145deg, var(--magic-gold) 0%, #9ca3af 100%);
    color: var(--text-light);
    border: 1px solid var(--magic-gold);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(145deg, #9ca3af 0%, var(--magic-gold) 100%);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.btn-secondary {
    background: linear-gradient(145deg, var(--accent-blue) 0%, var(--secondary-dark) 100%);
    color: var(--text-light);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.5s ease;
    z-index: 0;
}

.btn-secondary > * {
    position: relative;
    z-index: 1;
}

.btn-secondary:hover:not(:disabled) {
    background: #f9fafb;
    color: #374151;
    border-color: #9ca3af;
    box-shadow: 0 4px 12px rgba(156, 163, 175, 0.2), 0 0 0 1px rgba(156, 163, 175, 0.1);
    transform: translateY(-2px);
}

.btn-secondary:hover:not(:disabled)::before {
    left: 100%;
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.btn-outline:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--magic-gold);
}

.btn-danger {
    background: linear-gradient(145deg, var(--danger) 0%, #c82333 100%);
    color: white;
    border: 1px solid var(--danger);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(145deg, #c82333 0%, #bd2130 100%);
    box-shadow: 0 4px 20px rgba(220, 53, 69, 0.3);
}

.btn-success {
    background: linear-gradient(145deg, var(--success) 0%, #218838 100%);
    color: white;
    border: 1px solid var(--success);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(145deg, #218838 0%, #1e7e34 100%);
    box-shadow: 0 4px 20px rgba(40, 167, 69, 0.3);
}

/* Tamanhos de botão */
.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

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

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--magic-gold);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.1);
}

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

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Alertas */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border-color: var(--success);
    color: #155724;
    font-weight: 500;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    border-color: var(--danger);
    color: #f8d7da;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border-color: var(--warning);
    color: #fff3cd;
}

.alert-info {
    background: rgba(23, 162, 184, 0.1);
    border-color: var(--info);
    color: #d1ecf1;
}

/* Utilitários */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.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); }

/* Animações */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

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

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

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--magic-gold);
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .d-flex-mobile {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ===== RESULTADOS DE BUSCA AJAX ===== */
.search-results-container {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    max-height: 500px;
    overflow-y: auto;
    z-index: 1000;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-results-container::-webkit-scrollbar {
    width: 8px;
}

.search-results-container::-webkit-scrollbar-track {
    background: #f3f4f6;
    border-radius: 4px;
}

.search-results-container::-webkit-scrollbar-thumb {
    background: #9ca3af;
    border-radius: 4px;
}

.search-results-container::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid #f3f4f6;
    transition: var(--transition-normal);
    text-decoration: none;
    color: #111827;
    position: relative;
    overflow: hidden;
}

.search-result-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #6b7280 0%, #9ca3af 100%);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.search-result-item:hover {
    background: #f9fafb;
    border-bottom-color: #e5e7eb;
    text-decoration: none;
}

.search-result-item:hover::before {
    transform: scaleY(1);
}

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

.search-result-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 2px solid #e5e7eb;
    flex-shrink: 0;
    transition: var(--transition-normal);
    background: #f9fafb;
}

.search-result-item:hover .search-result-image {
    border-color: #6b7280;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

.search-result-name {
    font-size: 1rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: var(--transition-fast);
}

.search-result-item:hover .search-result-name {
    color: #000000;
}

.search-result-price {
    font-size: 1.125rem;
    font-weight: 700;
    color: #059669;
    margin-bottom: var(--spacing-xs);
}

.search-result-category {
    font-size: 0.875rem;
    color: #6b7280;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: #f3f4f6;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.search-result-category::before {
    content: '🏷️';
    font-size: 0.75rem;
}

.search-no-results {
    padding: var(--spacing-xl);
    text-align: center;
    color: #6b7280;
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.search-no-results::before {
    content: '🔍';
    font-size: 3rem;
    opacity: 0.4;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

/* Responsividade para busca */
@media (max-width: 768px) {
    .search-results-container {
        max-height: 400px;
        border-radius: var(--border-radius);
    }
    
    .search-result-item {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .search-result-image {
        width: 60px;
        height: 60px;
    }
    
    .search-result-name {
        font-size: 0.9rem;
    }
    
    .search-result-price {
        font-size: 1rem;
    }
    
    .search-result-category {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .search-results-container {
        max-height: 300px;
        left: -10px;
        right: -10px;
        border-radius: var(--border-radius);
    }
    
    .search-result-image {
        width: 50px;
        height: 50px;
    }
}