/* Layout simples e limpo */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.top-bar {
    background-color: var(--conteudo-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    margin-bottom: 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.main-nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-item {
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item:hover {
    background-color: var(--button-bg);
}

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

.login-btn:hover {
    background-color: var(--secondary-color);
}

/* Content */
.content {
    min-height: calc(100vh - 140px);
    padding: 0;
    margin-top: 0;
}

/* Footer */
.bottom-bar {
    background-color: var(--sidebar-bg);
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
}

.bottom-bar p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.bottom-bar a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Responsivo */
@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav {
        gap: 15px;
    }
    
    .nav-item {
        padding: 6px 12px;
    }
}