:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #3b82f6;
    --dark: #1f2937;
    --light: #f9fafb;
    --white: #ffffff;
    --gray: #6b7280;
    --border: #e5e7eb;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}

.btn-partner {
    background-color: #f3f4f6;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

.hero {
    background: linear-gradient(135deg, #ecfdf5 0%, #f9fafb 100%);
    padding: 4rem 0 3rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.hero p {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    border: 2px solid var(--border);
    border-radius: 50px;
    outline: none;
    transition: border-color 0.2s;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.search-input:focus {
    border-color: var(--primary);
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    margin-top: 2rem;
    margin-bottom: 4rem;
}

@media (max-width: 900px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
}

.card {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 1.2rem;
    color: var(--dark);
    border-left: 4px solid var(--primary);
    padding-left: 0.5rem;
}

.tag-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag-btn {
    background-color: var(--white);
    border: 1px solid var(--border);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.tag-btn:hover, .tag-btn.active {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.food-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.food-table th, .food-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.food-table th {
    background-color: #f8fafc;
    font-weight: 600;
}

.food-table tr:hover {
    background-color: #f1f5f9;
    cursor: pointer;
}

.nutrition-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 600px) {
    .nutrition-panel {
        grid-template-columns: 1fr;
    }
}

.anvisa-label {
    border: 2px solid #000;
    padding: 0.75rem;
    background-color: #fff;
    font-family: 'Arial Black', Arial, sans-serif;
    color: #000;
    max-width: 350px;
    margin: 0 auto;
}

.anvisa-label h2 {
    font-size: 1.4rem;
    text-align: center;
    border-bottom: 6px solid #000;
    padding-bottom: 0.25rem;
    text-transform: uppercase;
}

.anvisa-label .info-header {
    font-size: 0.8rem;
    border-bottom: 3px solid #000;
    padding: 0.25rem 0;
    font-family: Arial, sans-serif;
}

.anvisa-label .row {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #000;
    padding: 0.2rem 0;
    font-size: 0.85rem;
    font-family: Arial, sans-serif;
}

.anvisa-label .row.bold {
    font-weight: bold;
}

.anvisa-label .row.thick {
    border-bottom: 4px solid #000;
}

.anvisa-label .indented {
    padding-left: 15px;
    font-weight: normal;
}

.control-group {
    margin-bottom: 1rem;
}

.control-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    outline: none;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--primary);
}

.flex-inputs {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

footer {
    background-color: var(--dark);
    color: #9ca3af;
    padding: 3rem 0;
    margin-top: auto;
    border-top: 1px solid #374151;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-logo {
    color: var(--white);
    font-size: 1.3rem;
    font-weight: bold;
    text-decoration: none;
    margin-bottom: 1rem;
    display: block;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--white);
}

.premium-badge {
    background: linear-gradient(45deg, #f59e0b, #ef4444);
    color: white;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 4px;
    font-weight: bold;
    margin-left: 0.5rem;
}