:root {
    /* Cores do tema ListaPro */
    --primary-color: #00BFA5; /* Verde principal */
    --primary-dark: #009688; /* Verde petróleo */
    --primary-light: #B2FF59; /* Verde-limão claro */
    --secondary-color: #00C853; /* Verde-limão vibrante */
    --accent-color: #00BFA5;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #F9F9F9; /* Fundo neutro do app */
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 191, 165, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 191, 165, 0.15), 0 2px 4px -1px rgba(0, 191, 165, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 191, 165, 0.15), 0 4px 6px -2px rgba(0, 191, 165, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 191, 165, 0.2), 0 10px 10px -5px rgba(0, 191, 165, 0.15);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    padding: 2rem 1rem;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

/* Header */
.header {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 2rem 2rem 1.5rem;
    text-align: center;
    border-bottom: 3px solid var(--primary-color);
}

.header-content {
    max-width: 600px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.app-logo {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    object-fit: contain;
}

.logo-fallback {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon {
    font-size: 2.5rem;
}

.logo-text {
    margin-top: 0.5rem;
}

.logo-text h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--primary-dark);
}

.header .subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Tabs */
.tabs-container {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.tabs {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
}

.tab-button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: transparent;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    font-family: inherit;
}

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

.tab-button.active {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    font-weight: 600;
}

.tab-icon {
    font-size: 1.25rem;
}

.tab-text {
    display: none;
}

@media (min-width: 640px) {
    .tab-text {
        display: inline;
    }
}

/* Content */
.content {
    padding: 2rem;
    min-height: 400px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

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

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

.content-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.content-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.last-updated {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.content-body {
    color: var(--text-primary);
}

.content-body section {
    margin-bottom: 2.5rem;
}

.content-body h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    margin-top: 2rem;
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

.content-body h3:first-child {
    margin-top: 0;
}

.content-body h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.content-body p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.content-body ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    list-style-position: outside;
}

.content-body li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.content-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.content-body a {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.content-body a:hover {
    border-bottom-color: var(--primary-color);
    color: var(--primary-color);
}

.note {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
}

.contact-info {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-top: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

.footer-note {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-top: 3rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.footer-note p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.footer-note .version {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}

.footer p {
    margin-bottom: 0.5rem;
}

.footer p:last-child {
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 1rem 0.5rem;
    }

    .header {
        padding: 2rem 1.5rem;
    }

    .header .logo h1 {
        font-size: 2rem;
    }

    .content {
        padding: 1.5rem;
    }

    .content-header h2 {
        font-size: 1.75rem;
    }

    .tabs {
        padding: 0.75rem;
    }

    .tab-button {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .tab-icon {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .header .logo h1 {
        font-size: 1.75rem;
    }

    .header .subtitle {
        font-size: 1rem;
    }

    .content-header h2 {
        font-size: 1.5rem;
    }

    .content-body h3 {
        font-size: 1.25rem;
    }

    .content-body h4 {
        font-size: 1.1rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}